Tolong jawab nomor 15 sama 16 ya guys besok di kumpul

15. L1 = 2 x 1/4 x 22/7x 14x14
= 1/2 x 616
= 308 cm2
L2 = 1/2 x 22/7 x14x14
= 1/2 x 616
= 308 cm2
L = 308+308 = 616 cm2 (c)

16. L1 = 18x 7 = 126 cm2
L2 = 1/2 x 22/7 x 7x7
= 1/2 x 154 = 77 cm2
L = 126 + 77 = 203 cm2

SEOGA BENAR