To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

Step-by-step explanation:

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3 years ago

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andrezito [222]

Answer:

see explanation

Step-by-step explanation:

Calculate C by adding corresponding components of A + B

C = $\left[\begin{array}{ccc}4\\-7.5\\\end{array}\right]$ + $\left[\begin{array}{ccc}-2.5\\5\\\end{array}\right]$

= $\left[\begin{array}{ccc}4-2.5\\-7.5+5\\\end{array}\right]$

= $\left[\begin{array}{ccc}1.5\\-2.5\\\end{array}\right]$

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