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mleighaj9560
28.01.2020 •
Mathematics
The area of a trapezoid with height z is 20 sq .cm. the length s of the parallel sides are (2z+3) and (6z-1) cm. find the height of the trapezoid. in your final answer, include all of the formulas and calculations necessary to solve for the height.
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Ответ:
Area of a trapezoid = ½(a + b)h, where a and b are the lengths of the parallel sides and h is its height.
From your information 20 = ½(2z + 3 + 6z – 1)z = ½(8z + 2)z = z(4z + 1)
Solve 20 = 4z² + z which is 0 = 4z² + z – 20 using the quadratic formula
Step-by-step explanation:
Ответ:
Step-by-step explanation:
2+2+6