Question

the base and height of a triangle are in the ratio 5:4.If the height of the triangle is 12cm,find the base and area

Answer 1

Here is your answer
Let the base is 5x
And height is 4x

ATQ 4X = 12. X = 12/4. =3

SO BASE IS 5x3. =15 cm Answer

Now Area of triangle = 1/2(base x height)

= 15x12/2

=90 sq cm. Answer

Hope it helps you