Question

Find the base of a triangle whose area is 42cm(square) and the height is 3cm​

Answer 1

Answer:

area of triangle = 1/2 x b xh

area = 42cm

height = 3cm

base = x

42= 1/2 * x* 3

42= 1/2 * 3x

42= 3x/2

3x = 42*2

3x = 84

x= 84/3

x= 28

hence base of triangle = 28 cm

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