Math, asked by adityayadav62, 1 year ago

a classroom is 8m long 7 M broad and 4.5 m high. Doors and windows occupy an area of 18 m square .find the cost of whitewashing the walls at the rate of rupees 2.50 per square metre


prince98357: sorry
adityayadav62: is ok
adityayadav62: no problem

Answers

Answered by prince98357
5
= 8+7+4.5+18m sq. =27.5
= 27.5/2.5 = 11

adityayadav62: your answer is false
Answered by Prisha347
4
HELLO MATE

TSA of room = 2(lb+bh+hl) = 2(32+31.5+36) = 2×99.5. = 199cm square

Subtract 18cm square of doors and windows
199- 18 = 181cm square

Cost = 2.50×181 =452.5

^_^

adityayadav62: this answers is false
adityayadav62: Right answer is rupees 292.50
Similar questions