Scaling Area

Find the area of the rectangle.

The two rectangles are similar.

What is the length of the missing side?

The two triangles are similar.

What is the length of the missing side?

The two triangles are similar.

What is the scale factor from $$\Delta ZXY$$ to $$\Delta WUV$$ ?

The original perimeter of a rectangle is 30 cm.

If we dilate it by a scale factor of 4, what is the new perimeter?

If the perimeter of a rectangle is 20 in. and the perimeter after dilation is 30 in.,

what is the scale factor? Select all correct answers.

If both dimensions of a rectangle are doubled,

which of the following statements about its perimeter will be true?

If a square is dilated by a scale factor of 3, which of the following statements about its area will be true?

The original area of a rectangle is $$30\ cm^2$$ .

If we dilate it by a scale factor of 4, what is the new area?

If a triangle is dilated by a scale factor of 3/2,

which of the following statements about its perimeter will be true?

If a square's side lengths are doubled,

which of the following statements about its area will be true?

A rectangle that is 2 inches by 3 inches is dilated by a scale factor of 7.

 What is the perimeter of the scaled copy?

A rectangle has the dimensions 4 cm by 5 cm.

A scale factor of 3 is used to enlarge the rectangle.

What is the new area?

A rectangle that is 2 inches by 3 inches is dilated by a scale factor of 7.

 What is the area of the scaled copy?

The side length of a smaller square is one-third the side length of a larger square.

Which of the following statements describes the area of the smaller square?