Question

Find the length of triangle if it’s perimeter is 42 cm & breadth is 6 cm

Answer 1

Answer:

Given:perimeter =42 cm ,breadth =6 cm

we know that,

area of triangle =1/2×b×h

area of triangle =1/2×6×h

42=3×h

42/3=h

14=h

height is 14cm.