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Arc Measures Worksheet

A Grade 10 math worksheet focusing on understanding and calculating arc measures in circles.

Grade 10 Math GeometryArc Measures
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / False

Standards

CCSS.MATH.CONTENT.HSG.C.A.2

Topics

geometrycirclesarc measuresgrade 10
7 sections · Free to use · Printable
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Arc Measures Worksheet

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Read each question carefully and provide the best answer. Show all your work for full credit.

1. What is the measure of a semicircle?

a

90 degrees

b

180 degrees

c

270 degrees

d

360 degrees

2. In a circle, if a central angle measures 60 degrees, what is the measure of its intercepted arc?

a

30 degrees

b

60 degrees

c

120 degrees

d

180 degrees

3. An arc that measures exactly 180 degrees is called a  .

4. The measure of an inscribed angle is   the measure of its intercepted arc.

5. Consider a circle with center O. If points A, B, and C are on the circle such that arc AB measures 100 degrees and arc BC measures 80 degrees, what is the measure of arc AC?

ABCO

6. A major arc always measures less than 180 degrees.

T

True

F

False

7. In the circle below, chord AB is congruent to chord CD. If the measure of arc AB is 70 degrees, what is the measure of arc CD?

ABCDO