01-31

Match the vocabulary word with its image.

• Ray

• 
• Line

• 
• Parallel Lines

• 
• Line Segment

• 
• Perpendicular Lines

• 

A right angle measures ____________.

(a)  

• exactly 90°
• 1. exactly 180°

• greater than 90°, but less than 180° 

• 1. less than 90°

An acute angle measures ____________.

(a)  

• less than 90°
• 1. exactly 90°

• 1. greater than 90°, but less than 180°  

• 4. exactly 180° 

Select all the polygons with at least one pair of perpendicular sides.

Which of the following figures is a parallelogram? 

• 
• 
• 
• 

Jax made a triangle with two acute angles and one 60° angle. 

Which of the following best describes Jax’s triangle? 

• 1. Acute triangle because it has three acute angles. 

• 1. Right triangle, because it has a 60° angle. 

• 1. Obtuse triangle because the largest angle is obtuse. 

• 1. Straight angle because it has a 60° angle. 

Which of the following statements is true of the figure below?

It has no right angles. 

• It has 2 acute angles. 

• It has 1 pair of perpendicular sides.

• 1. Statement 1 only

• 1. Statement 3 only

• 1. Statements 1 and 2 only

• 1. Statements 1, 2, & 3

Which statement is NOT true about this polygon?

(a)  

• 1. It has 2 obtuse angles. 

• 1. It has 2 pairs of parallel sides. 

• 3. It has 2 acute angles. 

• It has 2 pairs of perpendicular sides.

A store sells the three kinds of picture frames shown below. 

Which of the following is true about all of the polygons of the picture frames?

• 1. All of the polygons have perpendicular sides.

• 1. All of the polygons are parallelograms.

• 3. All of the polygons are quadrilaterals.

• 3. All of the polygons have pairs of parallel sides.

Jason drew a shape has two pairs of parallel sides and four 90-degree angles. 

What are two names that Jason can use to name his shape? 

(a)  

• 1. Square and rhombus 

• 1. Quadrilateral and trapezoid 

• 3. Rectangle and rhombus.

• Square and rectangle