Question

In the given figure, if the area of trapezium ABCD is 180 m2, then what is the length of
AB?
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Answer 1

Answer:

the answer is 17 m

Step-by-step explanation:

1 step :

as per as the rule of the area of a trapezium

$\frac{1}{2} \times (ab + cd) \times 12 = 180$

2 step:

$\frac{1}{2} \times (ab + 13) \times 12 = 180 \\ = 6 \times (ab + 13) = 180 \\ = (ab + 13) = 30 \\ = ab = 17$