Download Unit 5 Review Packet

Geometry X
Unit 5 Review
Name ______________________
Date _______________________
1. Fill in the statements with the appropriate word(s)
2. Example:
3. Complete the definition and draw a sketch for each of the following.
Use correct markings in your diagram.
a. An angle bisector is a segment that divides an angle
of a triangle into two ___________________
_______________.
b. A median of a triangle is a segment that starts at
______________ angle and has an endpoint at the
________________ of the opposite side.
c. An altitude of a triangle is a segment that starts at
______________ angle and is _____________________
to the opposite side.
d. A perpendicular bisector is a segment that
_______________ another segment at a __________
angle. It does not have to start at the _____________.
4.
5. a.
b.
6. Name all angles that must be less than 1 .
7. Name all angles that must be greater than 3 .
8.
9.
10.
11. Can the following values
be used to form a triangle?
Explain.
12. Give the range of values for
the third side so a triangle
can be formed.
a. 4, 5, 7
a. 4, 6, ?
b. 6, 10, 3
b. 9, 14, ?
c. 11, 6, 5
c. 12, 12, ?
13. Write a 2-column proof
for the following:
Given: FH is an altitude and
a median of EFG .
Prove:
EFG is isosceles