Question

4.
If the area of a trapezium is 28 m2, and two parallel sides are 8 m and 60 dm
respectively, find the altitude.
5.
Find the height of a trapezium whose area is 1,080 cm2 and lengths of its parallel
sides are 55.6 cm and 34.4 cm.
its​

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Answer 1

1. Answer:given the length of parallel sides of the trapezium are 8m and 60dm respectively. we have to find the altitude of the trapezium. formula for the area of trapezium is 1/2 × h ( b1 + b2 ) where "h" is the altitude and b1 and b2 are the parallel sides of the trapezium. hence, the altitude of the trapezium is 4m.

2. area of trapezium = 1/2*h(a+b).1080=1/2*(55.6+34.4)*h.

1080=1/2*90*h .

h=1080*2/90.

h=24 cm

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