Question

The area of a triangle is 80cm² and its base is 8cm. If its height is (6+k) cm, find the value if k.

(3marks)​

Answer 1

K=14

Explanation:

A=1/2*b*h

80=1/2*8*(6+k) multiply by 2 on both sides

160=8*(6+k) distribute by 8

160=48+8k subtract 48 from both sides

112=8k divide by 8

14=K