Circle Interior Exterior Angles Circles

Find the sum of the measures of the interior angles of a heptagon.

• 1260

• 900

• 180

• 1080

Find the sum of the measures of the exterior angles of a heptagon.

• 120

• 25.7

• 72

• 360

Each interior angle or a regular polygon has a measure of 108 degrees. Find the number of sides the polygon must have.

• 5

• 6

• 7

• 8

A line, ray, or segment that intersects a circle at exactly one point is a

• Chord

• Diameter

• Secant

• Tangent

A segment with both endpoints on the circle is a

• Chord

• Diameter

• Secant

• Tangent

A chord that goes through the center of the circle is a

• Chord

• Diameter

• Secant

• Tangent

Tags

CCSS.HSG.C.A.2

In a given circle, the radius is 41 cm. The measure of this circle's diameter is

• 82 cm

• 41 cm

• 82.5 cm

• 20.5 cm

Tags

CCSS.7.G.B.4

Line AB is a tangent to circle O at C. Segment OC is a radius. Find the measure of angle BCO.

• 100

• 60

• 90

• 85

Segment BC is a tangent to circle A. Angle CAB equals 60 degrees. CB = 8 square roots of 3. Find the length of AB.

• 4

• 8 square roots of three

• 16

• 12

Tags

CCSS.HSG.C.A.2

Ray BA and Ray BC are tangents to circle O.

AB = 4x - 2, OB = 26, and CB = 18. Find the value of 'x.'

• 4

• 5

• 6

• 7

Tags

CCSS.HSG.C.A.2