Unit 4 Review

If the cones below are similar, what is the ratio of the surface area of the larger cone to the surface area of the smaller cone? Write your answer as a fraction.

Mathematical Equivalence

OFF

If the pyramids below are similar, what is the ratio of the volume of the smaller pyramid to the volume of the larger pyramid? Write your answer as a fraction.

Mathematical Equivalence

ON

A triangle is dilated by 5. How will this affect the area of the triangle?

The area will be ______ times bigger.

Tags

CCSS.8.G.A.3

A parallelogram has all of its sides doubled. How will the area change?

The area will be ______ times bigger.

Tags

CCSS.7.G.A.1

Find the area of the shaded region.

Radius = 5.7 cm

Round to the nearest whole number.

Mathematical Equivalence

ON

Find the area of the shaded region. Round to one decimal place.

Mathematical Equivalence

ON

A softball has a diameter of 9.7 cm. What is the surface area of the softball? Round to the nearest tenth.

Mathematical Equivalence

ON

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

A table tennis ball has a radius of 20mm. What is the surface area of the ball? Round to the nearest tenth.

Mathematical Equivalence

ON

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area.

Mathematical Equivalence

ON

Find the surface area. Round to one decimal place.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.6