8.
Wrap-up
Work
through the following problems to check whether you can do everything
that the outcomes
at the beginning of this unit state.
Given
points A(2, 1) and B(10, 7). The locus of all points P satisfying
the condition that ÐAPB =
90° is a circle.
Find:
a.
the coordinates of the centre of the circle
b.
the length of the radius of the circle.
|
|
|
|
The
line x
+ 2y
= 6 is a tangent to the circle with centre M(8, 4) at point
A.
Find:
a.
the coordinates of A
b.
the length of the radius of the circle.
|
|
|
|