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Please post any questions you have about this lesson in this section! Feel free to post as many as you can think of and we will discuss them during the next class period.

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Please post any questions you have about this lesson in this section! Feel free to post as many as you can think of and we will discuss them during the next class period.

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Are angles A and D complementary or supplementary? Vote thumbs up for complementary and thumbs down for supplementary.

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Are angles ABD and DBC complementary or supplementary? Vote thumbs up for complementary and thumbs down for supplementary.

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The honeycomb in this picture have all obtuse angles of 120 degrees.

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The mouth of this crocodile makes an acute angle of about 45 degrees.

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The bottom corners of a field goal make right angles of 90 degrees.

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The sides of a cell phone come to corners of 90 degrees.

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The top part of the frame of this hanger makes an obtuse angle of about 120 degrees.

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The stretched fan makes an obtuse angle of about 145 degrees.

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A cake slice makes an acute angle where it is cut. The angle is in this picture is about 20 degrees.

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Doritos make acute angles of about 60 degrees.

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The angles inside the pattern on this soccer ball are obtuse angles. These angles are 108 degrees.

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The lines on a soccer field make a right angle of 90 degrees.

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The way this sandwich is cut makes a right angle where the crust is. It is 90 degrees.

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Stairs make a right angle of 90 degrees.

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The blades of the scissors make an acute angle of about 20 degrees.

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The lawn chair between the bottom and back of the chair is and obtuse angle of about 115 degrees.

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Hand railings make up a right angle at the point which is 90 degrees.

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The pizza slice is an acute angle where it is cut, about 45 degrees.

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The hands on the clock are an acute angle of about 30 degrees.

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This stop sign is made up of obtuse angles around all of its sides. Each angle is 135 degrees.

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Watch this video lesson on acute, right, obtuse, complementary, and supplementary angles. Copy the information given in this video into your notebooks. Write one thing you learned from this video in comments.

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Acute Obtuse Right & Straight Angles - Complementary and Supplementary Angles

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Find a picture online of a real-life example of a right angle and post it. These pictures must be appropriate. Describe in the caption where the the right angle is and about how many degrees it is. Vote for 3 of your other classmates for which ones you think are the most creative by liking their post.

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Find a picture online of a real-life example of an acute angle and post it. These pictures must be appropriate. Describe in the caption where the the acute angle is and about how many degrees it is. Vote for 3 of your other classmates for which ones you think are the most creative by liking their post.

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Find a picture online of a real-life example of an obtuse angle and post it. These pictures must be appropriate. Describe in the caption where the the obtuse angle is and about how many degrees it is. Vote for 3 of your other classmates for which ones you think are the most creative by liking their post.