Triangle Theorems Practice
Pre-AP Geometry
TEKS: G. 6D, 5D
Name ___________________________
Date _____________ Period _________
1) Determine the measure of the missing angle in each triangle
a.
b.
2) List the side lengths from shortest to longest for the following diagram.
3) Solve for x in each diagram
a.
4) What is the longest side of the figure?
b.
Triangle Theorems Practice
Pre-AP Geometry
TEKS: G. 6D, 5D
Name ___________________________
Date _____________ Period _________
5) The coordinates of the vertices of triangle GHI are G(-3,-4), H(-1,-9) and I(3,-3). List the angles
from least measure to greatest measure.
6) Always sometimes, or never true.
a. If AB = DE, BC = FD and m∠B > m∠D, then FE > AC.
b. If AB = DE, AC = FE, and BC < FD, then m∠A < m∠E.
c. If BC = FD and m∠C > m∠F, then m∠A > m∠E.
7) Determine if each set of numbers could represent the lengths of sides of a triangle. (yes or
no)
________a. 10, 20, 30
__________b. 10, 8, 6
__________c. 5, 14, 7
8) The measures of two sides of a triangle are given. Between what two numbers must the
measure of the third side fall?
a.
22 and 34
b.
21 and 47