Answer:
300
Step-by-step explanation:
area=20*15=300
Answer: 700m^2
length = 20m
breadth= 15m
so we use lateral surface area = 2(L+B) H
area of hall = 2(20+15)10
2×35×10 = 700m^2 ans
11+x because the equation is reversabel.
Step-by-step explanation:Here's link to the answer:ly/3fcEdSx
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