tolong jawab besok di kumpulin

K1 = 1/2 2 π r
= 1/2 x 2 x 22/7 x 14
= 44 cm

"
K2 = 1/2 2 π r
= 1/2 x 2 x 22/7 x 7
= 22 cm

Keliling seluruhnya = 44 + 22 + 22 = 88 cm