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Triangles: Calculate Unknown Angles

In this worksheet, students use their knowledge of the properties of a triangle to evaluate unknown angles.

'Triangles: Calculate Unknown Angles' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   2D Shapes: Triangles, Quadrilaterals and Polygons

Difficulty level:  

Worksheet Overview

In this worksheet, we will learn how to calculate the unknown angle in a triangle

 

Question:

Calculate the unknown angle in the triangle

Answer:    The angles in any triangle add to 180°

Angle = 180° - 54° - 64° = 62°

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