The area, AAA, of a trapezoid is calculated using the formula A =\dfrac{1}{2}(b+c)hA=
2
1

(b+c)hA, equals, start fraction, 1, divided by, 2, end fraction, left parenthesis, b, plus, c, right parenthesis, h, where hhh is the height of the trapezoid and bbb and ccc are the bases of the trapezoid.

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.

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the function makes a strait line horizontally with no x intercept but a y intercept at 9.

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step-by-step explanation: