- Circle theorems

New

New

Year 10

Higher

# Circle theorems

## Lessons (11)

I can identify the parts of a circle, including finding the area and perimeter of a sector.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the angle at the centre of the circle is twice the angle at any point on the circumference.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the angle in a semicircle is a right angle.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the perpendicular from the centre of a circle to a chord bisects the chord.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the tangent at any point on a circle is perpendicular to the radius at that point.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the angles in the same segment are equal.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the alternate segment theorem.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the opposite angles of a cyclic quadrilateral sum to 180°.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can derive and use the theorem: the tangents from an external point are equal in length.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can analyse a circle problem and identify and use an appropriate circle theorem to solve it.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video

I can use my knowledge of circle theorems to solve problems.

1 Slide deck

1 Worksheet

2 Quizzes

1 Video