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Question

If the area of the triangle whose side lengths are a, b and c is x .Then the area of triangle formed by joining the midpoints of the sides of the triangle is


A
x2
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B

x

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C
x4
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D
x8
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Solution

The correct option is C x4

If the side lengths of the triangle area, b and c.
Semi perimeter s=(a+b+c)2
Area of the triangle = s(sa)(sb)(sc)
The sides of the triangle formed by joining the points are (a2),(b2) and (c2)
Semi perimeter = (a+b+c)4
= (s2)
Area of the triangle = 14s(sa)(sb)(sc)
= (X4)


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