The area of a rectangle is 460cm2 if the length is 15percent more than the breadth what is the breadth of the rectangle
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Answer:
20cm
Step-by-step explanation:
Let breadth = a
length is 15% more then,
l = a+(a x 15/100)
area= l x B
460=a [a+(a x 15/100)]
460=a^2+15a^2/100
460=(100a^2+15a^2)/100
46000=115a^2
400=a^2
a=20cm
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