4.1.1 Classifying Triangles - Worksheet
Example 1: Classify each triangle by its angle measures. 1. △ DBC 2. △ ABD
D
31°
3. △ ADC
70°
59°
20°
A
C
B
Example 2: Classify each triangle by its side lengths. 4. △ EGH 5. △ EFH
H
6. △ HFG
8
7.4
Example 3: Find the side lengths of each triangle. 7. 6 y 4 y + 12
E
G
F
3
8.
4 x + 0.5
x + 2.4
2 x + 1.7
Example 4: 9. A jeweler creates triangular earrings by bending pieces of silver wire. Each earring is an isosceles triangle with the dimensions shown. How many earrings can be made from a piece of wire that is 50 cm long?
3 cm
1.5 cm
198
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