Classifying Triangles by Angles (Ex. 1)

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1. Question 1

   Multiple choice

   A triangle with one angle of exactly 90° is called ___.

2. Question 2

   Multiple choice

   A triangle where all angles are less than 90° is called ___.

3. Question 3

   Multiple choice

   A triangle with one angle greater than 90° is called ___.

4. Question 4

   Sequence

   Angles in a triangle add up to 180°. A right-angled triangle has a 90° angle. The other two angles must add up to ___ °.

5. Question 5

   True or false

   A triangle can have two obtuse angles.

More exercises in this module

• Plotting Points on a Coordinate Grid (Ex. 2)

• Completing Symmetric Shapes (Ex. 2)

• Classifying Quadrilaterals (Ex. 2)

• Classifying Quadrilaterals (Ex. 1)

• Classifying Triangles by Sides (Ex. 1)

• Lines of Symmetry (Ex. 3)