tolong di bantu ya please butuh sekarang no 12

t = 60 cm
L alas = ½ a × t = ½ 24 × 45 = 540 cm²
K alas = 24 + 45 + 51 = 120 cm

Penyelesaian

a.) V = L alas × t

= 540 × 60
= 32.400 cm³


b.) L = K alas × t + 2 × L alas

= 120 × 60 + 2 × 540
= 7200 + 1080
= 8280 cm²



GL!