Question

The following figure is made of 2 triangles.

9
5
A
Figure
Triangle A
Triangle B
Whole figure
7
B
Find the area of each part of the figure and the whole figure.
Area (square units)

Answer 1

Whole figure: 49u^2
Triangle A: 31.5 units squared
Triangle B: 17.5 unites squared
But you really should start memorizing formulas

Answer 2

area is 1/2 times base times height

triangle A

1/2 times 7 times 9

answer 31.5

Triangle B

1/2 times 7 times 5

answer 17.5