Question

The are area of a trapezium is 0.05m^2 and its height is 20cm . If one of the parallel sides is longer than the other by 8cm ,find the length of longer parallel side​

Answer 1

Explanation:

Area of Trapezium = 1/2h(a+b)

[0.05m²= 500cm²]

500=1/2h(a+b)

500= 1/2×20(a+a+8)

42=2a

21 = a

a+8= 29 cm

Therefore longer parallel side is 29cm

Answer 2

Area=

Area= 2

Area= 21

Area= 21

Area= 21 h(a+b)

Area= 21 h(a+b)200=

Area= 21 h(a+b)200= 2

Area= 21 h(a+b)200= 21

Area= 21 h(a+b)200= 21

Area= 21 h(a+b)200= 21 ×8×(a+a+6)

Area= 21 h(a+b)200= 21 ×8×(a+a+6)200=4(2a+6)

Area= 21 h(a+b)200= 21 ×8×(a+a+6)200=4(2a+6)50=2a+6

Area= 21 h(a+b)200= 21 ×8×(a+a+6)200=4(2a+6)50=2a+644=2a

Area= 21 h(a+b)200= 21 ×8×(a+a+6)200=4(2a+6)50=2a+644=2aa=22 cm

Area= 21 h(a+b)200= 21 ×8×(a+a+6)200=4(2a+6)50=2a+644=2aa=22 cmLonger side a+6=28 cm

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