Question

the length and breadth are increased by 20%and30%respectively.what is the percentage increase in the area of triangle?​

Answer 1

Answer:

let's the original breath is equal to 1 original price is equal to be original area is equal to length and breadth new area new length is equal to (120 B hundred) X 1 is equal to 60 1 by 5 new breath is equal to (140 by 100) x b is equal to 7 bb5 area is equal to (61 by 5) 7b by 5 is equal to 42 IB by 25 percentage increase is equal to new area original area x 100 original area bracket bracket (42 y1 and answer is equal to increase is equal to new area original area x 100 original area bracket bracket (42 y1 and answer is equal to the percentage increase in its area