Question

4. The area of a trapezium is 126 cm and its altitude is 6 cm. Find the sum of its parallel sides.
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Answer 1

Step-by-step explanation:

area of trapezium is =1/2 × sum of parallel sides ×altitude.

since the area is given =126.

and altitude =6cm.

let the sum of parallel sides be x.

then...

126= 1/2× x ×6.

126= 1/2 × 6x

126×2=6x

252=6x

x=252/6

x = 42.6cm^2

126= 1/2 × x

Answer 2

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${ \underline {\underline {\large {\red{a + b = 42 \: {cm}^{2} }}}}}$

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