4.1 Review Worksheet

4.1.1 Classifying Triangles Classify each triangle by its angle measures. 1. △ BEA

A

B

60°

30°

30°

E

60°

30°

60°

2. △ DBC

3. △ ABC

D

C

Classify each triangle by its side lengths. 4. △ PST

5. △ RSP

6. △ RPT

Find the side lengths of each triangle. 7. z + 5

8.

2 x + 6.8

4 z – 4

3 z – 1

8 x + 1.4

9. Draw a triangle large enough to measure. Label the vertices X, Y, and Z. a. Name the three sides and three angles of the triangle.

b. Use a ruler and protractor to classify the triangle by its side lengths and angle measures.

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