2D Geometry Review

What is the area of a circle with the diameter of 10cm ? Use 3.14 for pi.

• 66cm

• 78.5cm

• 66.5cm

• 10m

Tags

CCSS.7.G.B.4

A line that goes from one edge of the circle to another and crosses the center point is called what?

• center

• diameter

• dime eater

• radius

What does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π square units
• 10 π square units
• 25 π square units
• 50 π square units

Tags

CCSS.7.G.B.4

Can the following side measures form a triangle?
  3, 5, 8 

• Yes
• No

Tags

CCSS.7.G.A.2

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Tags

CCSS.7.G.A.2

If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length
• equal to 10
• greater than 10
• less than 10

Tags

CCSS.7.G.A.2

What do the interior angles in a triangle have a sum of?

• 180
• 90
• 360
• 270

Tags

CCSS.8.G.A.5