Question

Dibantu ya kak......

Answer 1

Sisi persegi = 64/4 = 16 cm
S^2 = 15^2 + 8^2 = 225 + 64 = 289
S = akar 289 = 17 cm

luas alas = s xs = 16 x 16 = 256 cm2
luas sisi tegak = 1/2 at = 1/2 x 16 x 17 = 136 cm2
ada 4 sisi tegak = 4 x 136 = 544 cm2

luas permukaan limas persegi
= 256 + 544 = 800 cm2