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the length and breadth of a hall are 20m and 15m respectively. find the area of 4 Walls of the hall if the height of the hall is 10 m​

Respuesta :

Answer:

300

Step-by-step explanation:

area=20*15=300

SAVAGELOVE04

Answer: 700m^2

Step-by-step explanation:

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

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