Question

Composite figures. PLEASE help me identify the area of the figure. Thank you!

Answer 1

`84 \: {cm}^(2)`

Explanation:

Area of the figure = Area of rectangle + Area of trapezoid

`= 18 * 3 + (1)/(2) \{(18 - 11) + 3) \}(9 - 3) \\ \\ = 54 + (1)/(2) \{7 + 3 \}6\\ \\ = 54 + 10 * 3\\ \\ = 54 + 30 \\ \\ = 84 \: {cm}^(2)`