  # Name Triangles and Angles Correctly

In this worksheet, students will name the different types of angles and triangles. Key stage:  KS 2

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Compare Geometric Shapes

Popular topics:   Geometry worksheets

Difficulty level:   #### Worksheet Overview

Here are a few important facts we need to know for our work with triangles!

Angles

right angle is 90º

An acute angle is less than 90º An obtuse angle is between 90º and 180º straight line angle is 180º

reflex angle is between 180º and 360º Triangles

A right-angled triangle has one 90º angle. An isosceles triangle has two equal angles. An equilateral triangle has three equal angles, each of size 60º. A scalene triangle has three different angles. That's a lot to remember, but it's all very important stuff to know and will really help you in your geometry work!

If you want to see this introduction again, just click on the red help button that will appear on the screen.

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