Geometry, Angles

Identify the type of angle shown: 90 degrees

• Straight angle

• Acute angle

• Right angle

• Obtuse angle

Classify the triangle by angles: 60°, 60°, 60°

• Scalene

• Isosceles

• Equilateral

• Right

Classify the triangle by angles: 90°, 45°, 45°

• Obtuse Triangle

• Equilateral Triangle

• Scalene Triangle

• Right Isosceles Triangle

Identify the type of line relationship: Two lines that intersect at a right angle

• Perpendicular

• Diagonal

• Curved

• Parallel

What is the measure of each angle in an equilateral triangle?

• 45 degrees

• 60 degrees

• 90 degrees

• 120 degrees

What is the measure of an angle that is half of a right angle?

• 45 degrees

• 90 degrees

• 135 degrees

• 180 degrees

A parallelogram has base 10 cm and height 5 cm. What is its area?

What is the measure of an acute angle?

• Less than 90 degrees

• Exactly 90 degrees

• More than 90 degrees but less than 180 degrees

• 180 degrees

What shape has 4 equal sides and 4 right angles?

• Rectangle

• Square

• Triangle

• Circle

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees