Question

the perimeter of a trapezium is 52cm. If non parallel sides are 10 cm each and it altitude is 8 cm, find the length of parallel side?
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Answer 1

Perimeter =52cm

a+b+10+10=52

a+b=32cm

h=8cm

Area =

2

1

(a+b)×h

Area =

2

1

×32×8=128cm

2

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