Chet and Wesley sold gift wrap for a school fund-raiser.
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So the equation for a trapezoid is 
, with the b variable being the 2 bases, h variable for height, and the a variable for area. Firstly, we will need to plug in the appropriate numbers into the equation, and it'll look like this:
Next, we will need to combine 12 and 14, then divide the sum by 2. Your equation should look like this:
Lastly, just divide each side by 13, and your answer should be
Next, we will need to combine 12 and 14, then divide the sum by 2. Your equation should look like this:
Lastly, just divide each side by 13, and your answer should be
Answer:
Step-by-step explanation:
10 * sqrt(81/25 * -1) = 10 sqrt(81/25) * sqrt(-1) = 10 *9/5 * i