Angles and Triangles Review

Which of the following angles is the largest?

• A right angle

• An acute angle

• An obtuse angle

• A straight angle

Tags

ONTARIO.MATH.5.E2.3

If you have an angle that is larger than a right angle but smaller than a straight angle, what type of angle is it?

• Acute angle

• Right angle

• Obtuse angle

• Reflex angle

Tags

ONTARIO.MATH.5.E2.3

How many degrees are in a right angle?

• 45°

• 90°

• 180°

• 360°

Tags

ONTARIO.MATH.5.E2.4

You used a protractor to measure an angle. The angle measures 75°. What type of angle is this?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

ONTARIO.MATH.5.E2.4

Which of the following is a property of all triangles?

• They have four sides.

• The sum of their interior angles is 180°.

• They have two right angles.

• They have one obtuse angle.

Tags

ONTARIO.MATH.5.E1.1

What type of triangle has all sides of different lengths?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

Tags

ONTARIO.MATH.5.E1.1

Construct a triangle with side lengths of 5 cm, 5 cm, and 8 cm. What type of triangle is this?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

Tags

ONTARIO.MATH.5.E1.1

Which of the following triangles is congruent to a triangle with angles 60°, 60°, and 60°?

• A triangle with angles 70°, 60°, and 50°

• A triangle with angles 60°, 60°, and 60°

• A triangle with angles 90°, 45°, and 45°

• A triangle with angles 80°, 50°, and 50°

Tags

ONTARIO.MATH.5.E1.2

Estimate the size of an angle that is slightly larger than a right angle.

• 80°

• 100°

• 120°

• 150°

Tags

ONTARIO.MATH.5.E2.4

If an angle measures 45°, what is it called?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

ONTARIO.MATH.5.E2.3