no 4 aja tolong ya yg cepet

trapesium = [(9+16) . 14] / 2
= ( 25 . 14 ) / 2
= 350 / 2
= 175
1/2 lingkaran = 1/2 . 22/7 . 7 . 7
= 11 . 7 . 1
= 11 . 7
= 77
total = 77 + 175
= 252 cm2 a

(a+b)xt per 2 + pixr kuadrat :2
(9+16)x14 per 2 + 22/7 x 7x7 :2
25x7 + 22x7:2
175 + 154:2
175 + 77 = 252