Question

The area of a square is 40 cm2. Its side length is enlarged by a scale factor of 3.
What is the area of the new square?
Area of enlarged square = ____cm2

Answer 1

multiply by square of scale factor

Answer 2

im new to the topic so i dont really understand

Answer 3

Area of square : (side)^2

Now, your side has become : 3*Side..

So, Area of square = (3side)^2..

Answer 4

is it just 40 x 3? which is 120 cm^2?

Answer 5

let us suppose length=2cm
area=2^2=4
scale factor=3
new length=2*3=6 cm
area=6^2=36
36=4*9
or36=4*3^2

Answer 6

hmm sorry im still not sure

Answer 7

new area=36
old area=4
scale factor=3
so new area =old area*(scale factor)^2