Unit 7 - Circles Review | Baamboozle - Baamboozle

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characteristics of a circle

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#Review #unit 7 #geometry #chords #parts of a circle #arcs #radius #diameter #tangent line #central angle #sector area #inscribed angle

What is a line segment passing through center of a circle

Diameter

What is a line segment from center of a circle to its edge

Radius

What is a line segment with endpoints on a circle’s edge

Chord

This is the portion of a circle between 2 points on the edge

Arc

This is an an angle whose vertex is at the center of the circle.

Central Angle

This is an an angle whose vertex is on the edge of the circle.

Inscribed Angle

This is the region of a circle enclosed by two radii

Sector

This is a line perpendicular to a radius intersecting through one point is the ________________________

Tangent Line

What is the formula for the area of a circle?

A=πr^2

How do you find the sector area of a circle?

Divide central angle by 360, multiply by the radius square

Which of the rays or segments below is a chord of circle O?

Which of the rays/segments represents the radius of circle O?

OK, OI, OH

Name the diameter for circle O

In circle S with ∠RST = 102 and RS = 6 units, find the length of arc RT. Round to the nearest hundredth.

RT = 10.68

In circle G with ∠FGH = 86 and RS = 16 units, find the length of arc FH. Round to the nearest hundredth.

FH = 24.02

In circle Q with ∠PQR = 30 and PQ = 5 units, find the length of arc PR. Round to the nearest hundredth.

PR = 2.62