Circle Theorms Flashcards
Learn to recognise circles!
1
Q
The angle between radius & the tangent is always…
A
90°
2
Q
What is the angle is a semi-circle?
A
90°
3
Q
The angle at the _______ is _______ the angle at the ________.
A
- center
- twice
- circumference
4
Q
Angles subtended at the circumference in the segment are…
A
equal
5
Q
In a cyclic quadriateal, opposite angles add to
A
180°
a + b =180°
6
Q
angles in an ______________ are equal
A
alternate segment
7
Q
you only know a line is the diameter if
A
it goes through the origin
8
Q
angles betweent the radius and tangent is
A
90°