Circle Basics

Given the picture and that segment TR is a diameter, find the measure of arc RAG. Is it a major arc, minor arc, or semicircle?

• 180°;

  Semicircle

• 201°;

  Major Arc

• 159°;

  Minor Arc

• 111°;

  Minor Arc

Given the picture and that segment TR is a diameter, find the measure of arc TAG. Is it a major arc, minor arc, or semicircle?

• 180°;

  Semicircle

• 339°;

  Major Arc

• 21°;

  Minor Arc

• 381°;

  Minor Arc

Given the picture and that segment TR is a diameter, find the measure of arc GR. Is it a major arc, minor arc, or semicircle?

• 180°;

  Semicircle

• 201°;

  Major Arc

• 159°;

  Minor Arc

• 90°;

  Minor Arc

Find the circumference (to the nearest whole number)

• 44 in

• 88 in

• 176 in

• 616 in

The window has a radius of 8 meters.<\/p>

How much glass is needed to make this window?<\/p>

Hint: Find the window's area.<\/em><\/p>

• 804.25 m^{2<\/sup><\/p>}

• 201.06 m^{2<\/sup><\/p>}

• 100.53 m^{2<\/sup><\/p>}

• 50.27 m^{2<\/sup><\/p>}

What is the area of this circle?

• 37.7 cm²

• 75.4 cm²

• 113.1 cm²

• 452.4 cm²

What is the circle's diameter?

• 3 m

• 6 m

• 12 m

• 36 m

The ring pictured is used in dog training.

The ring has a diameter of 3.5 feet.

About how much plastic is needed to make this ring?

Hint: Find the ring's circumference.

• 5 ft

• 11 ft

• 22 ft

• 38 ft

Find the measure of arc KL.

• 339 degrees

• 159 degrees

• 201 degrees

• 21 degrees

What is the measure of arc SPQ?

• 161 degrees

• 109 degrees

• 90 degrees

• 180 degrees