Unit 9a Perimeter & Area of Polygons and Circles

Find the area of the trapezoid.

• 22m²

• 26m²

• 32.5m²

• 22.5m²

Tags

CCSS.6.G.A.1

Find the area of the parallelogram.

• 4.5m²

• 5m²

• 6.3m²

• 3.6m²

Tags

CCSS.6.G.A.1

Which formula is used to find the area of this polygon?

• A = Πr²

• A = ½bh

• A = ½h(b_{1 +} b₂)

• A = bh

Tags

CCSS.6.G.A.1

What is the perimeter of this polygon?

• 166m

• 166m²

• 83m

• 83m²

Tags

CCSS.4.MD.A.3

Find the area of the triangle.

• 330 units²

• 80 units²

• 294.8 units²

• 589.6 units²

Tags

CCSS.6.G.A.1

Which formulas can be used to find the circumference of a circle?

• C = π r²

• C = π d

• C = 2 π r

• C = π r

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What are the lengths of the bases of the trapezoid?

• 7

• 4

• 6

• 5

• 8