farid zen

1. A polygon has a side of length 385 .

A similar polygon has a corresponding side of length 77 .
How do the areas of the two polygons compare to each other?

1. Suppose that a triangle has base z and altitude x . The sides of the triangle are scaled by a factor of 7 to get a similar triangle.

What is a formula for the area of the new triangle?

1. Suppose that a polygon has perimeter 36 .

The sides of the polygon are scaled by a factor of 7 to get a similar polygon.
What is the perimeter of the scaled polygon? Suppose that the sides of a polygon are scaled by a factor of 4 to get a similar polygon.
This new polygon has perimeter 116 .
What is the perimeter of the original polygon?

1. Suppose that the sides of a polygon are scaled by a factor of 4 to get a similar polygon.

This new polygon has perimeter 116 .
What is the perimeter of the original polygon?