Answer:
146 cm²
Explanation:
The net is composed of 3 sets of congruent rectangles
top/ bottom + front/ back + sides
SA = 2(9 × 5) + 2(9 × 2) + 2(5 × 2)
= 2(45) + 2(18) + 2(10)
= 90 + 36 + 20
= 146 cm²
vbw-kafw-hxy p.l.e.a.s.e join
1.6m questions
2.0m answers