Question

No. 6 pls pake cara ya:)

Answer 1

Dipandang sebagai trapesium yng penya ketebalan
volume = (6+21)/2 x 8 x 20 = 1680 cm²

Panjang sisi miring = √8²+(21-6)² = √64+225 = √289 = 17 cm

Luas = 2 L trapesium + Keliling trapesium x lebar
 = 2 (6+21)/2 x 8 + (8+6+15+21) x 20
= 216 + 1000
= 1216 cm²