CBSE Class 10 Answered
A momento is made as shown in the figure. Its
base, shade is to be silver plated from the front at the rate of Rs 20 per cm2.
What is the total cost of silver plating?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
Expert Answer
AB = AL + LB = 7+3 =10, AC = AM + MC = 7 + 3 = 10
The area of the right triangle ABC is given by
The area of the quadrant ALM
Area(LBCM) = Ar(ABC) - Ar(quadrant ALM) = 50 - 38.5 = 11.5 cm2
At the rate of Rs 20 per cm2, the total cost of silver plating
= Rs 20 11.5 = Rs 230
Answered by | 04 Jun, 2014, 15:23: PM
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