Question

The height of a triangular board is 16.6 cm. If the cost of painting the board is 415 at the rate of 2 per sq . cm , find the base of the board.​

Answer 1

Answer:

25cm

Step-by-step explanation:

Given:

h=16.6cm

cost of painting=415Rs.

rate=Rs2/sq.cm.

Solution :

Cost of painting =Rate × area

415=2×1/2b×h

415=2×1/2×b×16.6

415/16.6=b

25cm=b