Area and Perimeter Practice Test 1

Question : 7 of 40

Marks: +1, -0

The sides of a triangle are 3 cm, 4 cm and 5 cm. What is the area of the triangle formed by joining the mid-points of the sides of this triangle?

Solution:

Here,

3^2 + 4^2

5^2

Hence, triangle is right angled triangle.
Since, area of triangle =

1/2

× 3 × 4 = 6

cm^2

Hence, area of required triangle =

1/4 × 6

3/2 cm^2

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