- 1.
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- 5.
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- 9.
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-
12.
- 13.
- 14.
- Split and at and assign to and
to .
- 15.
- 315
- 16.
- 441 (Show
.)
- 17.
- 108 (Show CP:PF = 3:1. Draw a line segment from to the
midpoint of . Notice that it
forms a 3-4-5 triangle which is one-eighth of the total area.
- 18.
- 94 (Assign weights of to the vertices, find the ratios
and multiply.)
- 19.
- (First draw
intersecting
at . Find .
Now work on triangle .)