3. If the area of a trapezium is 28 cm2 and one of its parallel sides is 6 cm, find the
other parallel side if its altitude is 4 cm.
Answers
Answered by
1
Answer:
Area of trapezium =
2
1
×(sum of parallel sides)×altitude
Let other parallel side be x cm.
Then,
2
1
(x+6)×4=28
⇒2(x+6)=28
⇒x=14−6
⇒x=8cm
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