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Trigonometric Ratios

Given that, t...

Question

Given that, three consecutive terms of an A.P. are the lengths of the sides of the triangle. If the perimeter of the triangle is 6 m, find the middle term of the three consecutive terms.

A

4m

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B

3m

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C

2m

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D

5m

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Solution

The correct option is C
2m

Let the three consecutive terms of the A.P. be a - d, a and a + d.

Perimeter = a - d + a + a + d = 6

So, 3a = 6 $\Rightarrow$ a = 2

So, the middle term = a = 2 m

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