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Question

What is the inradius of an equilateral triangle, the length of whose sides is 23 cm?


A

3 cm

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B

2 cm

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C

4 cm

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D

1 cm

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Solution

The correct option is D

1 cm


Given that

The length of the sides of an equilateral triangle is 23 cm.

The inradius of an equilateral triangle = a×36

Where "a" is the length of the sides of the triangle.

On substituting the values we get

The inradius of an equilateral triangle, the length of whose sides is 23 cm = 23×36=66=1 cm


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