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 effect of dilation on the dimensions of a shape?

Back

Dilation multiplies the dimensions of the shape by a scale factor.

Front

If a shape is dilated by a factor of k, how does the area change?

Back

The area changes by a factor of k^2.

Front

What is the relationship between the side lengths and area of similar figures?

Back

The ratio of the areas of similar figures is equal to the square of the ratio of their corresponding side lengths.

Front

Define dilation in geometry.

Back

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

Front

What is the area of a rectangle with a length of 10 units and a width of 5 units?

Back

Area = 10 * 5 = 50 square units.

Front

How do you calculate the area of a parallelogram?

Back

Area = base * height.

Front

What happens to the area of a circle when its radius is doubled?

Back

The area becomes 4 times bigger.