Question

The sides of a triangular board
are 13cm, 14cm and 15cm. The
cost of painting it at the
State Of RS. 8.75 per cm2​

Answer 1

Answer:

Given,

Sides of triangular board

Length =13cm

Breadth =14cm

Height =15cm

To find =cost of painting it at the rate of Rs 8.76 per cm2

Solution,

Volume of triangular board = L.B.H

=13.14.15

=2730

Now,

Cost of painting per cm2 = 8.75Rs

Cost of painting 2730 cm2 = Rs(2730. 8.75)

=Rs 23,887.5