The measure of angle 5 and 7 should be 103
A proportion is simply a statement that two ratios are equal. ... In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.
Answer:
<h2>A = 91 in²</h2>
Step-by-step explanation:
The formula of an area of a trapezoid:

<em>b₁, b₂</em> - <em>bases</em>
<em>h</em><em> - height</em>
<em />
We have <em>b₁ = 20in</em>, <em>b₂ = 6in</em> and <em>h = 7in</em>.
Substitute:

Answer:
yellow
Step-by-step explanation: