Arcs & Angles
Vocab
Chords, Secants, Tangents
Sectors and Arcs
100

The measure of the major arc if the minor arc's measure is 40 degrees

320

100

A segment whose endpoints are the center of the circle and a point on the circle

What is the radius?

100

Identify a secant of the figure below;

MN

100

Determine the sector area of a circle with a central angle measure of 90o and a radius of 2.

pi 


approximately 3.14159
200

Solve for x;

x=15
200

A line that passes through a circle at 2 points

What is a secant?

200

Solve;

x=2

200

Determine the arc length of a semicircle with a diameter of 8.

4* pi


approximately 12.57

300

It's the angle whose measure is half of the intercepted arc

What is an inscribed angle?

300

A line that intersects a circle at one point

What is a tangent?

300

Solve for x

What is 10?

300

Solve for the arc length. Write exact.

14 pi



approximately 43.98

400

Solve for the missing angle;

53 degrees

400

A segment whose endpoints are on a circle

What is a chord?

400

Solve for x 

x = 12

400

Solve the sector area. Give exact.

5/3*π 

-or-

5π/3

500

Solve for x;

x=113

500

Two circles that share the same center are called this


concentric

500

Solve. 

x = 4

500

The area of a sector whose central angle is 300o is calculated to be 23.56 square feet.  The radius would be approximately_____ ft



approximately 3 feet

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