Question

The height of a triangle is 4cm less than three times its base length. If the area is 80 cm^2. Find the lengths of the base and height.

Answer 1

Step-by-step explanation:

given height = 3( base length)

area of triangle=1/2×base×height

=1/2×base×3×base

80 =3/2×(base)^2

$base = \sqrt{160 \div 3} = 7.3cm$

height =3(7.3)=21.9cm