The area of the trapezium is 340cm square. If the lengths of two parallel sides are 20cm and 20cm, find the distance between them.
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Given,
1/2×h (a+b)=340
h/2 (20+20)=340
h/2×40=340
20h=340
h=340/20
h=17cm
1/2×h (a+b)=340
h/2 (20+20)=340
h/2×40=340
20h=340
h=340/20
h=17cm
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