find the cost of painting the walls of a room 5 metre long 4 m broad and 3 m higher at rate 4.5 per square metre
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Answered by
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firsty find the TSA of cuboidal wall
we get TSA as....94
now 94×4.5(the cost)
the cost=Rs. 423.
we get TSA as....94
now 94×4.5(the cost)
the cost=Rs. 423.
artikp:
no answer is wrong
answer is 243
ohh so sorry it's for metre cube.
ok
Send the solution correctly
Oh! sorry Bro.
Answered by
0
Volume of the wall= 2(lb+lh+bh)
2(5×4+5×3+4×3)msq
2(20+15+12)msq
2(47)msq
94msq
Cost of painting 4.5 per msq
=94msq×45/10msq
=rupees 423 ans.
2(5×4+5×3+4×3)msq
2(20+15+12)msq
2(47)msq
94msq
Cost of painting 4.5 per msq
=94msq×45/10msq
=rupees 423 ans.
hey volume is l×b×h not 2(lb+bh+hl)
it is the TSA
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