since area = length * height,
twice the height means twice the area
Now, if the mirror is circular, then twice the height means twice the radius
pi(2r)^2 = 4(pi r^2)
area grows as the square of the scale factor for similar shapes.
A mirror 50cm height has on area of 100cm² you another mirror is twice as high h find the area scale factor find the area of the larger mirror
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