What part of the circle does the perpendicular bisector of a chord pass through?
The centre of the circle.
3 of 12
The angle subtended at the centre of a circle is twice the angle of where?
The circumference.
4 of 12
How much is the angle at the circumference of a semicircle?
Ninety degrees.
5 of 12
What is the relationship between angles at the same segment?
They are equal.
6 of 12
What kind of angles in a cyclic quadrilateral add up to 180?
Opposite angles.
7 of 12
Tangents from the same point are the same ______?
The same length.
8 of 12
What kind of triangles do two tangents that meet make?
Two congruent right-angled triangles.
9 of 12
The angle between a tangent and a chord is always equal to what?
The angle at the opposite segment.
10 of 12
All triangles drawn from a chord will have the same _____ when they touch the circumference.
The same angle.
11 of 12
A triangle drawn from the two ends of a diameter will always make an angle of ______ degrees where it hits the _____________ of the circle, no matter where it hits.
Ninety degrees, where it hits the circumference
12 of 12
Other cards in this set
Card 2
Front
What kind of triangle do two radii form?
Back
An isosceles triangle.
Card 3
Front
What part of the circle does the perpendicular bisector of a chord pass through?
Back
Card 4
Front
The angle subtended at the centre of a circle is twice the angle of where?
Back
Card 5
Front
How much is the angle at the circumference of a semicircle?
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