Geometry

If the area of a circle is 25 π in² , then the diameter is?

• 10 in
• 5 in
• 25 in
• pi in

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet?

• A = 30.15

• A = 25.12

• A = 56.12

• A = 16.5

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

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

• Yes
• No

What is the range of values of x for a triangle's third side given side measures of 8 and 15?

• between 8 and 15
• between 7 and 23
• less than 7, greater than 23

What is the value of the missing angle?

• 61
• 50
• 60
• 69

Solve for x.

• 5
• 12
• -7
• -6

What is the sum of the angles inside a triangle?

• 90
• 180
• 360

Find the value of x.

• 15
• 16
• 18
• 19