Question

A godwon is 65m long 43m broad and 11m high find the cost of whitewashing its four walls and ceiling at rs 21.50per sq.m

Answer 1

Answer:

Step-by-step explanation:

Length=65m

Breath=43m

Height=11m

L.s.a=2h(l+b)

=2*11*108

=2376m square

∴cost of whitewashing=21.50per msqaure

So, cost=21.50*2376=51084

Thank you

Answer 2

Answer:

Step-by-step explanation:

Given,

Length =65m.

Breadth =43m

Height =11m.

Ar. Of 4 walls=2(l+b)×h

=2(65+43)×11

=2(108)×11

=216×11

=2376m^2

Rate of one sq.m=21.50

" " 2376sq.m=21.50×2376

=Rs.51084.