Question

What is the surface area of a book 13
cm long, 10 cm wide, and 3 cm high?

320 cm²
529 m²
160 cm²
398 cm²​

Answer 1

Answer:

398 cm²

Step-by-step explanation:

use 2x(lxb + bxh + hxl) to find surface area

Answer 2

Step-by-step explanation:

2(lh+lb+bh)=2(39+130+30)=2×199=398cm²

here l is length ,b is breadth and h is altitude or height

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