Question

the area of a Trapezium is 144 CM squire the length of one of the parallel side is 12 cm and its height is 15 cm find the length of the Other parallel ​

Answer 1

area of trapezium= 144 sq cm

length of one of the parallel sides= 12cm

let other parallel side be x

height = 15cm

area of trapezium = 1/2 (12cm+x)15

144 cm sq ×2 /1×15 = 12cm + x

48×2/5 = 12cm + x

196/5 = 12cm +x

39.2-12cm =x

x = 27.2

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