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CBSE Class 7 Answered

Triangle ABC shown below is inscribed inside a square of side 20 cm. Find the area of the triangle.

Asked by Topperlearning User | 25 Nov, 2013, 01:00: AM
Expert Answer

Since we know that the square is a polygon with all the four angles equal to 90o, we have

The height (h) of the triangle ABC = 20 cm

Also, the base (BC) of the triangle is equal to one of the sides of the square.

Thus, BC (b) = 20 cm

Thus, area is given by

Area of triangle ABC = x b x h x 20 x 20

= 200 cm2

Answered by | 25 Nov, 2013, 03:00: AM
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