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.
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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
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