Geometry Topic 10

Mathematical Equivalence

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CCSS.HSG.C.A.2

What is the measure of angle A?

Mathematical Equivalence

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CCSS.HSG.C.A.2

Which segment is the diameter?

• AC

• BD

• LM

• CE

If chords AB and CD of congruent circles subtend equal angles at their centres, then:

• AB=CD

• AB > CD

• AB < AD

• None of above

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CCSS.HSG.C.A.2

If AB and CD are two chords of a circle intersecting at point E, as per the given figure. Then:

• ∠BEQ > ∠CEQ

• ∠BEQ = ∠CEQ

• ∠BEQ < ∠CEQ

• None of the above

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CCSS.HSG.C.A.2

In the below figure, the value of ∠ADC is:

• 60⁰

• 30⁰

• 45⁰

• 55⁰

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CCSS.HSG.C.A.2

In the figure, O is the centre of the circle and PR = QR. What is the measure of ∠PQR?

• 60⁰

• 110⁰

• 75⁰

• 45⁰

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CCSS.HSG.C.A.2

In the figure, O is the centre of the circle. What is the measure of ∠ACB?

• 45⁰

• 60⁰

• 70⁰

• 90⁰

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CCSS.HSG.C.A.2

In the figure, if O is the centre of a circle, then the measure of ∠ACB is:

• 80⁰

• 100⁰

• 40⁰

• 60⁰

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CCSS.HSG.C.A.2

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

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CCSS.HSG.C.A.2