Naming - Diagram to ABC Form (Simple) on a Triangle (Level 1)

This math topic focuses on identifying and naming angles within a triangle, and the form of naming angles using the ABC method. It is part of a larger exploration of geometry specifically intersecting, parallel, and perpendicular lines. Through several example problems, students are asked to identify the correct name for a given angle in diagrams of various triangles.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Angles - Naming - Diagram to ABC Form (Simple) on a Triangle Worksheet

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Angles - Naming - Diagram to ABC Form (Simple) on a Triangle
1
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<QSR
b
<SQR
2
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<RSQ
b
<RQS
3
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<SQR
b
<RSQ
4
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<SQR
b
<QRS
5
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<SQR
b
<QRS
6
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<QSR
b
<QRS
7
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<QRS
b
<SQR
8
An svg image showing a math problem
What is the name of the angle marked with '?' on this triangle?
a
<RSQ
b
<SQR