Question

The area of trapezium is 135cm2.if one parallel side is 15 cm and distance between the parallel side is 10 cm. Find the other parallel side

Answer 1

Answer:let the other parallel side be x cm

Area of trapezium =1/2 (sum of parallel sides)*height

135=1/2(15+x)*10

27=15+x

x=12 cm

Step-by-step explanation:

Answer 2

Answer:

Area of trapezium = 135 cm^2

Area of trapezium = 1 / 2 × Sum of parallel sides × Distance between them

Distance between them = 10 cm

Sum of parallel sides = (a + 15) cm, where a is the length of other parallel side

135 = 1 / 2 * (a + 15) * 10

135 = 5 (a + 15)

27 = a + 15

a = 27 - 15

a = 12 cm

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