Asked by jenny
The sides of a square with an area of 49 cm2 will be reduced by a scale factor of 5/8.
Determine the area of the reduced square to the nearest square centimetre.
Determine the area of the reduced square to the nearest square centimetre.
Answers
Answered by
Bosnian
Side of square :
a = sqrt ( 49 ) = 7 cm
Side of new square :
a1 = 7 * 5 / 8 = 35 / 8 = 4.375 cm
Area of new square :
A1 = ( 35 / 8 ) ^ 2 = 1225 / 64 = 4.375 ^ 2 = 19,140625 cm ^ 2
a = sqrt ( 49 ) = 7 cm
Side of new square :
a1 = 7 * 5 / 8 = 35 / 8 = 4.375 cm
Area of new square :
A1 = ( 35 / 8 ) ^ 2 = 1225 / 64 = 4.375 ^ 2 = 19,140625 cm ^ 2
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