Pure Year 1 Unit 6 Flashcards
1
Q
How to find mid point of two points
A
((x1+x2)/2, (y1+y2)/2)
2
Q
Where does a perpendicular bisector pass through?
A
The mid point
3
Q
The equation of a circle with centre (0,0) and radius = r is?
A
x^2 + y^2 = r^2
4
Q
The equation of a circle with centre (a,b) and radius = r is?
A
(x-a)^2 + (y-b)^2 = r^2
5
Q
What is a tangents relationship with the radius?
A
perpendicular
6
Q
What will the perpendicular bisector of a chord do?
A
Go through the centre of a circle
7
Q
The angle in a semicircle is always a…
A
right angle
