the length of a rectangle is increased by 15% and the breadth is reduced by 15%. Let work out in percentage the increase or decrease of area
Answers
Answered by
17
Answer: 2.25% decrease
Step-by-step explanation:
Let length be l and breadth be b.
Area = lb
New length = 115l/100 = 23l/20
New breadth=85b/100 = 17b/20
New Area =( l.b.23.17)/400
= lb 391/400
There is a decrease of 9/400 which is equal to 2.25%
Answered by
3
Answer:
There is a decrease of 9/400 is =2.45
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