in a rectangle 20 persentage increase in length and 10 persent decrease in the same length .what is its area?
Answers
Answered by
1
Answer:
Explanation:
Let the length & breadth of rectangle be a & b
Area(original)=ab
New length=a+
100
20
a=
100
120
a
New breadth=b−
100
10
b=
100
90
b
Area(new)=
100
120
×
100
90
ab=
100
108
ab=ab+
100
8
ab
∴ Area increased by 8%.
Answered by
0
Answer:
the length & breadth of rectangle be a & b
Area(original)=ab
New length=a+
100
20
a=
100
120
a
New breadth=b−
100
10
b=
100
90
b
Area(new)=
100
120
×
100
90
ab=
100
108
ab=ab+
100
8
ab
∴ Area increased by 8%.
Explanation:
please make my answer as brainlist answer
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