Circles Half Circles Semi Circles Quarter Circles

The region between an arc and two radii,joining centre to the endpoints of arc is called

• Diameter

• Radius

• Sector

• Segment

Angles in same segment of a circle are............

Angle in semi circle

• 90°

• 180°

• 60°

• None

If the angles subtended by the chords at the centre are equal,then the chords are.........

Tags

CCSS.HSG.C.A.2

Given a circle with centre O. Find LOPR.

• 80⁰

• 20⁰

• 10⁰

• 160⁰

Tags

CCSS.HSG.C.A.2

find ∠BAC

• 95⁰

• 85⁰

• 50⁰

• 150⁰

Tags

CCSS.HSG.C.A.2

In the given figure, O is the centre. Find ∠OBC.

• 30⁰

• 50⁰

• 60⁰

• 45⁰

Tags

CCSS.HSG.C.A.2

Identify the region of PAQ

• radius

• minor arc

• minor sector

• minor segment

If the area of a circle is 25 π in² , then the diameter is?

• 10 in

• 5 in

• 25 in

• pi in

Tags

CCSS.7.G.B.4

What is the formula for circumference of a circle given the diameter?

• C = π r

• C = 2 π r

• C = π d

• C = 2 π d

Tags

CCSS.7.G.B.4