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)

Question

Karsyn Daniel

Mathematics

12 March, 16:38

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)

+4

Answers (1)

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Lester · Answer 1

K=14

Step-by-step 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

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)

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)