Asked by jack
There are two squares. Their lengths at the ratio 2:3, what is the simplified ratio between their areas?
Answers
Answered by
Bosnian
a1 = side length of first square
a2 = side length of second square
A1 = area of first square
A2 = Area of second square
a1 / a2 = 2 / 3 Multiply both sides by a2
a1 = 2 a2 / 3 = ( 2 / 3 ) a2
A1 / A2 = a1² / a2² =
[ ( 2 / 3 ) a2 ]² / a2² =
( 4 / 9 ) a2² / a2² = 4 / 9
a2 = side length of second square
A1 = area of first square
A2 = Area of second square
a1 / a2 = 2 / 3 Multiply both sides by a2
a1 = 2 a2 / 3 = ( 2 / 3 ) a2
A1 / A2 = a1² / a2² =
[ ( 2 / 3 ) a2 ]² / a2² =
( 4 / 9 ) a2² / a2² = 4 / 9
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