Part A
• The base (b) of the triangle is ,6 inches.,
• The height (h) of the triangle is ,4 inches.
[tex]\begin{gathered} \text{Area of a triangle=}\frac{1}{2}\times Base\times Height \\ =\frac{1}{2}\times6\times4 \\ =12\text{ square inches} \end{gathered}[/tex]The area of the triangle is 12 square inches.
Part B
[tex]\begin{gathered} \text{Area of a rectangle=Length}\times Width \\ =9\times8 \\ =72\text{ square centimeters} \end{gathered}[/tex]The area of the rectangle is 72 square centimeters.
