The the cost of fencing a garden which is in shape of trapezium is rupees 11250 @ 50 per metre find its height if its parallel sides are 20 and 25 m long
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Step-by-step explanation:
COST OF FENCING=RS.11250
PERIMETER=RS.50
AREA =11250÷50=225metre square
AREA OF TRAPEZIUM=1÷2(SUM OF PARALLEL SIDES)H
225=1÷2×20+25×H
225=1÷2×45×h
225×2÷45=
10m
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