Question

Luas permukaan prisma pada gambar di atasa adalah....pakek jalan:v

Answer 1

BF/GC = √5²+12²

=√25+144

=√169

= 13 cm

Lp = 2 x L. alas + K. alas x Tp

= 2 x (a+b/2 x t) + (ab+bf+fe+ea) x Tp

= 2 x (10+22/2 x 5) + (22+13+10+5) x 8

= 2 x (80) + (50) x 8

= 160+400

= 560 cm² (C)