Unit 11 Area & Perimeter Review

The distance around a shape is its _____________.

• Area

• Perimeter

If the area of a triangle is 48 cm² and the base of the triangle is 12 cm, what is the height?

• 4 cm

• 36 cm

• 60 cm

• 8 cm

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

The figures below are similar. The labeled sides are corresponding.

What is the ratio of the perimeter of the smaller pentagon to the larger pentagon?

• 9:5

• 25:81

• 5:9

• 81:25

The figures shown are similar. The areas of each figure is given.

What is the ratio of the side length of the smaller triangle to the larger triangle?

• 4:49

• 2:7

• 1:7

• 1:25

Find the perimeter of a square with and area of 1,521 square feet?

• 39 ft

• 380.25 ft

• 156 ft

• 50 ft

In a regular polygon, the line from the center to an outer vertice is a(n)

• Apothem

• Central Angle

• Radius

• Regular Polygon

In a regular polygon the line from the center to the mid-point of an outer side is a(n)

• Radius

• Central Angle

• Sine

• Apothem

Find the area of this regular polygon.

• 84.9 m²

• 82.3 m²

• 74.9 m²

• 62 m²