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Mathematics
Mathematics
Problem
A sphere has diameter
[
P
Q
]
[PQ]
[
P
Q
]
, where
P
P
P
is
(
−
1
,
1
,
2
)
(-1, 1, 2)
(
−
1
,
1
,
2
)
, and
Q
Q
Q
is
(
−
5
,
7
,
−
8
)
(-5, 7, -8)
(
−
5
,
7
,
−
8
)
. a. Locate the centre of the sphere. b. Find the radius of the sphere. c. Hence find the volume and surface area of the sphere.
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