The area of a triangle is equal to 28 sq cm. If its base is 7 cm long, calculate the height of the triangle.

4cm

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16cm

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8cm

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10cm

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Solution

The correct option is C
8cm

Given :Base = 7 cm , Area = 28 sq cm

Area of a triangle = $\frac{1}{2} \times b a s e \times h e i g h t$

28 = $\frac{1}{2} \times 7 \times h e i g h t$

h= $\frac{2}{7} \times 28$ =8 cm

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