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In an equilateral triangle, 3 coins of radii 1 unit each are kept so that they touch each other and also the sides of the triangle. The area of the triangle is : a) 4+2 (sqrt3) b) 6+ 4 (sqrt3) c) 12+ 1.75 (sqrt3) d) 3 + 1.75 (sqrt3) full explanation to the problem

In an equilateral triangle, 3 coins of radii 1 unit each are kept so that they touch each other and also the sides of the triangle.

The area of the triangle is :

a) 4+2 (sqrt3)

b) 6+ 4 (sqrt3)

c) 12+ 1.75 (sqrt3)

d) 3 + 1.75 (sqrt3)

full explanation to the problem

Grade:11

1 Answers

Karthik Eyan
45 Points
10 years ago

You will get each side of the triangle to be (root 3)+1 units.

So the area of the triangle will be 6+4(root3) .

Option B is correct.

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