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a school hall measures 10m long,7m wide and 4m high.All it’s insideswalls and ceiling are painted , calculate the total surface area
Question
a school hall measures 10m long,7m wide and 4m high.All it’s insideswalls and ceiling are painted ,
calculate the total surface area
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Mathematics
3 years
2021-09-03T23:54:40+00:00
2021-09-03T23:54:40+00:00 1 Answers
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Answer:
304 m²
Step-by-step explanation:
l = 10 m
b = 7 m
h = 4 m
TSA = 2 (lb + bh + hl)
= 2 (10 * 7 + 7 * 4 + 4 * 10)
= 2 (70 + 42 + 40)
= 2 * 152
= 304 m²
Hope it helps 🙂
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