tolong jawab ya kakak² yg baik hati and jenius

maaf klok ada salahnya

soal trapesium.
L1 = 1/2 ( a + b) t
= 1/2 (30+14) 24
= 528 cm²
L2= 1/2 ( a + b) t
=1/2 ( 10 + 14) 12
= 144 cm²
L1 - L2 = 528-144= 384 cm²
soal lingkaran
Luas = 1/2 π r²
= 1/2 x 22/7 x 14 x14
= 308 cm²