Two and Three Dimensional Geometry

If a circle has a radius of 10 ft. then which statement is true?

• The radius is 5 ft. 

•  The diameter is 5 ft

• The radius is 20 ft.

• The diameter is 20 ft.

To calculate the amount of cardboard needed to make a cereal box, which of the following should you find: 

• Area

• Perimenter

• Surface Area

• Volume

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

• diameter

• radius

• π

• center

What is the value of the missing angle?

• 61

• 50

• 60

• 69

What is the sum of the angles inside a triangle?

• 90

• 180

• 360

Find the value of x.

• 15

• 16

• 18

• 19

∠1 and ∠3 can best be described as - 

• complementary angles

• supplementary angles

• vertical angles

• adjacent angles

Name this angle.

• acute

• right

• obtuse

• none of the above

What type of angle is this? 

• acute

• obtuse

• right

Classify the following triangle in as many ways as possible. 

• Scalene, acute

• Isosceles, obtuse

• Equilateral, equiangular, acute

• Equilateral