4 x 2 + 3 x 2 = 14
1/4 x 2 x 3.14 x 4 = 6.28
1/2 x 2 x 3.14 x 3 = 9.42
14 + 6.28 + 9.42 = 29.7 cm
a) It was 29.7 cm.
1/4 x 3.14 x 4 x 4 = 12.56 A + B
1/2 x 3.14 x 3 x 3 = 14.13 C + B
14.13 - 12.56 = 1.57 cm2.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment