Question

Find the cost of painting the shaded area shown in the given figure, at the rate of Rs. 100/cm2. Both are equilateral triangles with side 50 cm and 44 cm respectively.​

Answer 1

Answer:

answer is 24,422 Rs

Step-by-step explanation:

area of triangle 1

√3/4×(50)²=1082.53cm²

area of triangle 2

√3/4×(44)²=838.31

subtracting both

1082.53

- 838.31

=244.22cm²

then cost is 100 cm² so multiplying by 100

244.22×100=24,422 Rs

Answer

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Answer 2

Rate of paint = 100/cm2

First triangle = 50 cm

Second triangle = 44 cm

therefore,

= 50 - 44cm

= 6 cm.

= cost of paint = 100/6 square

= cost of paint = 100/36

= cost of paint = 2.7

Explanation : first minus the triangle 2 from triangle 1. Then double the answer and then divide with the given rate.

Hope it helps you.