Cylchedd Cylch by Tony Wilding https://padlet.com/ttw1/szw9l2mgorjw Sut i gyfrifo Cylchedd Cylch? en-us 2018-03-05 12:31:03 UTC 2026-02-08 14:51:28 UTC hello@padlet.com Cylchedd Cylch = pi x diamedr ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238036474 ]]> 2018-03-05 12:33:35 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238036474 Cofiwch pi = 3.14 neu ddefnyddiwch y botwm ar y cyfrifiannell ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238038153 Cylchedd = pi x diamedr (Chicken pie's delicious!)]]> 2018-03-05 12:38:22 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238038153 Cyfrifwch gylchedd cylch pan fo'r diamedr gennych.. ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238039174 C = π x 8cm 
 = 25.12 cm (yn gywir i 2 le degol)

]]> 2018-03-05 12:41:43 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238039174 Cyfrifwch gylchedd y cylchoedd isod ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238041644 Rhowch eich atebion yn gywir i 2 le degol.]]> 2018-03-05 12:49:21 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238041644 Atebion ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238042006 C = π x 3 cm                                         C = π x 80 mm                             C = π x 1
    = 9.42 cm                                             = 251.20 mm                               = 3.14 cm


C = π x 4.1 dm                                         C = π x 5.2 m                             C = π x 7.9 cm
    = 12.87 dm                                             = 16.33 m                               = 24.81 cm

]]> 2018-03-05 12:50:28 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238042006 Darganfod y diamedr o wybod y cylchedd ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/238320315 Cofiwch; Cylchedd = π x diamedr
                 C = π x d
Ac felly, mae rhannu y ddwy ochr gan π yn gadael

                 C/π = d


]]> 2018-03-05 19:47:50 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/238320315 Cyfrifo'r diamedr o'r cylchedd ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/244249424 Cyfrifwch ddiamedr yr olwyn o wybod bo'r cylchedd yn 200cm.]]> 2018-03-20 19:50:43 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/244249424 Ateb ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/244250887 Cylchedd = π x diamedr
200cm = π x d
➗π.       ➗π
63.66cm = d yn gywir i 2 le degol]]> 2018-03-20 19:54:32 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/244250887 Cwestiwn estynedig ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/244252004 Cylchedd yr olwyn yw 200cm. Sawl troad cyfan ydy'r olwyn yn gwneud mewn 1km? ]]> 2018-03-20 19:56:49 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/244252004 Ateb ttw1 https://padlet.com/ttw1/szw9l2mgorjw/wish/244252682 200cm = 2m
1km = 1000m

1000m ➗2m = 500 troad]]> 2018-03-20 19:58:20 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/244252682 https://padlet.com/ttw1/szw9l2mgorjw/wish/244259747 2018-03-20 20:15:01 UTC https://padlet.com/ttw1/szw9l2mgorjw/wish/244259747