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KengaRu [80]
4 years ago
7

Write a polynomial expression that represents the area of the trapezoid. (A=1/2h(b1+b2))

Mathematics
1 answer:
finlep [7]4 years ago
4 0

Answer:

A =  5 {x}^{2}  + 6x + 1

Step-by-step explanation:

A =  \frac{(a + b)h}{2}  = \frac{(6x - 5 + 4x + 7)(x + 1)}{2}  =  \frac{(10x + 2)(x + 1)}{2}  =  \frac{2(5x + 1)(x + 1)}{2}  = 5 {x}^{2}  + 6x + 1

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