Answer:
base 4 and height of 10
base 8 and height 5
Explanation:
The area of the rectangle is 20. 4 x 5 = 20
The area of a triangle is
![A = (1)/(2)bh](https://img.qammunity.org/2023/formulas/mathematics/high-school/tzmusk0z6u3abnxm7um20s0z2yw30liane.png)
Multiply two numbers together that equal 40 because you are going to take half of 40 to get 20.
4 x 10 = 40
40/2 = 20
8 x 5 = 40
40/2 = 20