Circle Theorems

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

Joseph Anderson

FREE Resource

10 Slides • 13 Questions

Circle Theorems

Circle Theorem

The angle in a semi-circle is a right angle.

Circle Theorem

The angle at the circumference is double the angle at the centre.

Circle Theorem

The angle between a tangent and a chord is equal to the angle in the alternate segment.

Circle Theorem

Angles in the same segment are equal

Circle Theorem

The perpendicular from the centre to a chord bisects the chord.

Circle Theorem

Two tangents from a point to a circle are equal.

Circle Theorem

The tangent to a circle is perpendicular to the radius at the point of contact.

Multiple Choice

Find the value of the angle marked x....

Multiple Choice

Find the value of the angle marked x....

100

Multiple Choice

What is the m∠ADB?

16^o

32^o

64^o

14^o

Multiple Choice

Calculate x

262

252

Multiple Choice

What part of the circle is present?

Tangent

Secant

Chord

Diameter

Multiple Choice

Find the value of the angle marked x....

126

Multiple Choice

What is the value of x and y?

x=75°; y=93°

x=65°;y=104°

x=75°; y=94°

x=65°; y=93

Multiple Choice

What is the size of angle x?

19^o

76^o

39^o

38^o

Multiple Choice

what are the values of c and d?

c = 218, d = 71

d = 109, c = 71

c = 142, d = 218

c = 142, d = 109

Multiple Choice

Find the value of the angle marked x....

110

Multiple Choice

Find the value of the angle marked x....

Multiple Choice

Find the value of the angle marked x....

100

109

Multiple Choice

Find the value of the angle marked x....

100

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Circle Theorems

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