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      <title>c9. Angle of given number of degrees with a given ray as one arm.  by Mr Downes&#39; Padlets</title>
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      <description>7 Constructions to Study 

The instruments that may be used are: 

straight-edge: This may be used (together with a pencil) to draw a straight line passing through two marked points. 

compass: This instrument allows you to draw a circle with a given centre, passing through a given point. It also allows you to take a given segment [AB], and draw a circle centred at a given point C having radius IABI. 

ruler: This is a straight-edge marked with numbers. It allows you measure the length of segments, and to mark a point B on a given ray with vertex A, such that the length IABI is a given positive number. It can also be employed by sliding it along a set square, or by other methods of sliding, while keeping one or two points on one or two curves. 

protractor: This allows you to measure angles, and mark points C such that the angle LBAC made with a given ray [AB has a given number of degrees. It can also be employed by sliding it along a line until some line on the protractor lies over a given point. 

set-squares: You may use these to draw right angles, and angles of 30°, 60°, and 45°. It can also be used by sliding it along a ruler until some coincidence occurs. 
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      <pubDate>2020-04-14 14:07:08 UTC</pubDate>
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         <pubDate>2020-04-14 14:07:08 UTC</pubDate>
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         <description><![CDATA[<div><a href="https://padlet.com/rdownes/constructions">https://padlet.com/rdownes/constructions</a><br><a href="https://padlet.com/rdownes/c1">https://padlet.com/rdownes/c1</a><br>https://padlet.com/rdownes/c2<br>https://padlet.com/rdownes/c3<br>https://padlet.com/rdownes/c4<br>https://padlet.com/rdownes/c5<br>https://padlet.com/rdownes/c6<br>https://padlet.com/rdownes/c7<br>https://padlet.com/rdownes/c8<br>https://padlet.com/rdownes/c9<br>https://padlet.com/rdownes/c10<br>https://padlet.com/rdownes/c11<br>https://padlet.com/rdownes/c12<br>https://padlet.com/rdownes/c13<br>https://padlet.com/rdownes/c14<br>https://padlet.com/rdownes/c15<br>https://padlet.com/rdownes/c16<br>https://padlet.com/rdownes/c17<br>https://padlet.com/rdownes/c18<br>https://padlet.com/rdownes/c19<br>https://padlet.com/rdownes/c20<br>https://padlet.com/rdownes/c21<br>https://padlet.com/rdownes/c22<br>https://padlet.com/rdownes/c23<br>https://padlet.com/rdownes/c24<br>https://padlet.com/rdownes/c25<br>https://padlet.com/rdownes/c26<br>Unifying Strand<br><a href="https://padlet.com/rdownes/u">https://padlet.com/rdownes/u</a><br><a href="https://padlet.com/rdownes/u1">https://padlet.com/rdownes/u1</a><br><a href="https://padlet.com/rdownes/u2">https://padlet.com/rdownes/u2</a><br>https://padlet.com/rdownes/u3<br>https://padlet.com/rdownes/u4<br>https://padlet.com/rdownes/u5<br>https://padlet.com/rdownes/u6<br>https://padlet.com/rdownes/u7<br>https://padlet.com/rdownes/u8<br>https://padlet.com/rdownes/u9<br>https://padlet.com/rdownes/u10<br>https://padlet.com/rdownes/u11<br>https://padlet.com/rdownes/u12<br>https://padlet.com/rdownes/u13<br>Number Strand<br><a href="https://padlet.com/rdownes/n">https://padlet.com/rdownes/n</a><br><a href="https://padlet.com/rdownes/n1">https://padlet.com/rdownes/n1</a><br><a href="https://padlet.com/rdownes/n2">https://padlet.com/rdownes/n2</a><br>https://padlet.com/rdownes/n3<br>https://padlet.com/rdownes/n4<br>https://padlet.com/rdownes/n5<br>2. Geometry and Trigonometry<br><a href="https://padlet.com/rdownes/gt">https://padlet.com/rdownes/gt</a><br><a href="https://padlet.com/rdownes/gt1">https://padlet.com/rdownes/gt1</a><br>https://padlet.com/rdownes/gt2<br>https://padlet.com/rdownes/gt3<br><a href="https://padlet.com/rdownes/axioms">https://padlet.com/rdownes/axioms</a><br><a href="https://padlet.com/rdownes/theorems">https://padlet.com/rdownes/theorems</a><br><a href="https://padlet.com/rdownes/corollaries">https://padlet.com/rdownes/corollaries</a><br><a href="https://padlet.com/rdownes/converses">https://padlet.com/rdownes/converses</a><br>https://padlet.com/rdownes/gt4<br>https://padlet.com/rdownes/gt5<br>https://padlet.com/rdownes/gt6<br>Algebra and Functions Strand<br><a href="https://padlet.com/rdownes/af">https://padlet.com/rdownes/af</a><br><a href="https://padlet.com/rdownes/af1">https://padlet.com/rdownes/af1</a><br>https://padlet.com/rdownes/af2<br>https://padlet.com/rdownes/af3<br>https://padlet.com/rdownes/af4<br>https://padlet.com/rdownes/af5<br>https://padlet.com/rdownes/af6<br>https://padlet.com/rdownes/af7<br>Statistics and Probability Strand<br><a href="https://padlet.com/rdownes/sp">https://padlet.com/rdownes/sp</a><br><a href="https://padlet.com/rdownes/sp1">https://padlet.com/rdownes/sp1</a><br>https://padlet.com/rdownes/sp2<br>https://padlet.com/rdownes/sp3<br><a href="https://padlet.com/rdownes/constructions"><br>https://padlet.com/rdownes/constructions</a><br><a href="https://padlet.com/rdownes/axioms">https://padlet.com/rdownes/axioms</a><br><a href="https://padlet.com/rdownes/theorems">https://padlet.com/rdownes/theorems</a><br>1. Statistics and Probability<br>https://padlet.com/rdownes/lcm10<br>https://padlet.com/rdownes/lcm11<br>https://padlet.com/rdownes/lcm12<br><a href="https://padlet.com/rdownes/lcm13">https://padlet.com/rdownes/lcm13</a><br>https://padlet.com/rdownes/lcm14<br>https://padlet.com/rdownes/lcm15<br>https://padlet.com/rdownes/lcm16<br>2. Geometry and Trigonometry<br><a href="https://padlet.com/rdownes/lcm16h">https://padlet.com/rdownes/lcm16h</a><br>https://padlet.com/rdownes/lcm17<br>https://padlet.com/rdownes/lcm20<br><a href="https://padlet.com/rdownes/lcm21">https://padlet.com/rdownes/lcm21</a><br><a href="https://padlet.com/rdownes/lcm22">https://padlet.com/rdownes/lcm22</a><br>https://padlet.com/rdownes/lcm23<br><a href="https://padlet.com/rdownes/axioms">https://padlet.com/rdownes/axioms</a><br><a href="https://padlet.com/rdownes/theorems">https://padlet.com/rdownes/theorems</a><br><a href="https://padlet.com/rdownes/corollaries">https://padlet.com/rdownes/corollaries</a><br><a href="https://padlet.com/rdownes/converses">https://padlet.com/rdownes/converses</a><br>https://padlet.com/rdownes/lcm24<br>3. Number<br>https://padlet.com/rdownes/lcm30<br>https://padlet.com/rdownes/lcm31<br>https://padlet.com/rdownes/lcm32<br>https://padlet.com/rdownes/lcm33<br>https://padlet.com/rdownes/lcm34<br>4. Algebra<br>https://padlet.com/rdownes/lcm40<br>https://padlet.com/rdownes/lcm41<br>https://padlet.com/rdownes/lcm42<br>https://padlet.com/rdownes/lcm43<br>https://padlet.com/rdownes/lcm44<br>5. Functions<br>https://padlet.com/rdownes/lcm50<br>https://padlet.com/rdownes/lcm51<br>https://padlet.com/rdownes/lcm52<br>5.Admin<br>https://padlet.com/rdownes/lcm73<br>https://padlet.com/rdownes/lcm74<br>https://padlet.com/rdownes/lcm75<br><a href="https://docs.google.com/spreadsheets/d/151JWdfTP1meZvWdYKv9dpgACVahnAOzF6G8aAwfyF30/edit?usp=sharing">https://docs.google.com/spreadsheets/d/151JWdfTP1meZvWdYKv9dpgACVahnAOzF6G8aAwfyF30/edit?usp=sharing</a><br><a href="https://padlet.com/rdownes/triangles">https://padlet.com/rdownes/triangles</a><br><a href="https://padlet.com/rdownes/circles">https://padlet.com/rdownes/circles</a><br><a href="https://padlet.com/rdownes/quadrilaterals">https://padlet.com/rdownes/quadrilaterals</a><br><a href="https://padlet.com/rdownes/polygons">https://padlet.com/rdownes/polygons</a><br><a href="https://padlet.com/rdownes/rhombus">https://padlet.com/rdownes/rhombus</a><br><a href="https://padlet.com/rdownes/kites">https://padlet.com/rdownes/kites</a><br><a href="https://padlet.com/rdownes/angles">https://padlet.com/rdownes/angles</a><br><a href="https://padlet.com/rdownes/parallelograms">https://padlet.com/rdownes/parallelograms</a><br><a href="https://padlet.com/rdownes/parallels">https://padlet.com/rdownes/parallels</a><br><a href="https://padlet.com/rdownes/perpendiculars">https://padlet.com/rdownes/perpendiculars</a><br><a href="https://padlet.com/rdownes/lines">https://padlet.com/rdownes/lines</a><br><a href="https://padlet.com/rdownes//root">https://padlet.com/rdownes//root</a><br><a href="https://padlet.com/rdownes/constructions">https://padlet.com/rdownes/constructions</a><br><a href="https://padlet.com/rdownes/perpendiculars">https://padlet.com/rdownes/perpendiculars</a><br><a href="https://padlet.com/rdownes/perpendiculars">https://padlet.com/rdownes/perpendiculars</a><br><a href="https://padlet.com/rdownes/perpendiculars">https://padlet.com/rdownes/perpendiculars</a></div>]]></description>
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         <pubDate>2020-04-14 14:07:08 UTC</pubDate>
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         <pubDate>2020-07-14 11:15:02 UTC</pubDate>
         <guid>https://padlet.com/rdownes/c9/wish/654075734</guid>
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