Unit 7 - Circles Review | Baamboozle - Baamboozle

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20

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

PR = 2.62

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20

In circle T with ∠STU = 162 degrees and ST = 19, find the area of the sector STU. Round to the nearest tenths and keep in terms of pi!

162.5 units

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15

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20

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

RT = 10.68

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15

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

IK

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15

What is a circumscribed scircle?

A circle that passes/touches all vertices of a polygon.

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20

In circle S with ∠RST= 112 degrees and RS = 7, find the area of the sector RST. Round to the nearest tenths and keep in terms of pi!

15.2π

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10

What is the formula for the area of a circle?

A=πr^2

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15

What are the 2 things you need to calculate the arc length and sector area of a circle?

Radius and Central Angle

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15

The point of a circumscribed CIRCLE where all 3 of a triangle's angle bisectors meet

Incenter

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10

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

Arc

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10

What is a line segment passing through center of a circle

Diameter

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10

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

Radius

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