Math, asked by anshim89, 1 year ago

find the cost of painting the walls and ceiling of a room 6M long 5m broad and 3.5 m i at rupees 6.75 per square metre

Answers

Answered by yajat1810
2
l = 6m
b = 5m
h = 3.5m
area = LSA of room + area of ceiling
= 2(l+b)×h+l×b
= 2(6+5)×3.5+6×5
= 7×11+30
= 77+30
= 107cm²
1cm² = Rs. 6.75
107 cm² = 6.75×107 = Rs. 722.25
please mark it as the brainliest answer
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