The area of a trapezium is 240cm² the hight is 12cm and the parrallel sides are 12cm and x. Work out what x is
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Answer:
the value of x is 28cm.
Step-by-step explanation:
Area of trapezium:-
=1/2×(sum of parallel sides)×height
so 240=1/2×(12+x)×12
240=6(12+x)
dividing both sides by 6,we get
40=12+x
40-12=x
so x=28cm
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