Question

In question 15 what is the area of the triangle when its height is 6 cm?

Answer to number 15
a= 1/2(5h+3)h

Answer 1

`a = (1)/(2) (5h + 3)h \\ = (1)/(2) (5 * 6 + 3)6 \\ = (1)/(2) (33 * 6) \\ = (1)/(2) * 198 \\ a= 99`

Answer 2

99

Explanation:

If you do that math then you get 99