Geometry 2D

What is the sum of the angles inside a triangle?

• 90

• 180

• 360

What is the area of the figure?

• 20 sq cm

• 4 sq cm

• 30 sq cm

• 24 sq cm

What is the area of the shaded region?

• 40 sq cm

• 240 sq cm

• 280 sq cm

• 320 sq cm

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for ∏ .

• 284.52 ft2

• 228 ft2

• 317 ft2

• 116.71 ft2

Area

• 12 in sq

• 12 in

• 24 in sq

• 6 in sq

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

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

• The radius is 5 feet.

• The diameter is 5 feet.

• The radius is 20 feet.

• The diameter is 20 feet.

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

• Center

• Radius

• π

• Diameter

If you multiply π × d then you will get the...

• radius

• diameter

• circumference

• area

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.