the parallel sides of trapezium are 20m and 30m and its non parallel sides are 6m and 8m.Find the area of trapezium
smuways123:
which is the vertical height?
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a^2+x^2 = 36
b^2+x^2 = 64
b^2-a^2= 28
b+a*b-a = 28
so
b+a = 30-20=10
So b-a=2.8 and b+a=10
b=6.4. a=3.6, and x=4.8
3.6*4.8/2+4.8*20+6.4*4.8/2= 120
so area = 120 m per sq
b^2+x^2 = 64
b^2-a^2= 28
b+a*b-a = 28
so
b+a = 30-20=10
So b-a=2.8 and b+a=10
b=6.4. a=3.6, and x=4.8
3.6*4.8/2+4.8*20+6.4*4.8/2= 120
so area = 120 m per sq
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