Unit 4 Review

Front

What happens to the area of a triangle when it is dilated by a factor of 5?

Back

The area will be 25 times bigger.

Front

How does doubling the sides of a parallelogram affect its area?

Back

The area will be 4 times bigger.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the relationship between the scale factor of dilation and the area of a shape?

Back

The area is multiplied by the square of the scale factor.

Front

If a rectangle has a length of 4 and a width of 3, what is its area?

Back

Area = 12 square units.

Front

What is the effect on the area of a shape if all dimensions are halved?

Back

The area will be 1/4 of the original area.

Front

Define dilation in geometry.

Back

Dilation is a transformation that alters the size of a shape but not its shape.

Front

What is the area of a square with a side length of 5?

Back

Area = 25 square units.

Front

If a circle's radius is doubled, how does its area change?

Back

The area will be 4 times bigger.

Front

What is the formula for the area of a parallelogram?

Back

Area = base * height.