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Back to Exercise: Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines

Exercises: Classifying Two-Dimensional Figures by Lines and Angles

Work through each section in order. Use the paper-corner test (or a right-angle template)
to check angles instead of guessing by eye.

Grade 4·25 problems·~35 min·Common Core Math - Grade 4·standard·4-g-a-2
Work through problems with immediate feedback
A

Recall / Warm-Up

These problems review vocabulary from 4.G.A.1.

1

Which pair of lines never meet, no matter how far they are extended?

2

What is the relationship between the two lines shown?

3

Which of these shapes has exactly 3 sides?

B

Fluency Practice

1

How many pairs of parallel sides does the parallelogram shown have?

2

How many pairs of parallel sides does the trapezoid shown have?

3

How many pairs of parallel sides does the scalene triangle shown have?

4

Which best describes the sides of the rectangle shown?

5

What type of triangle is shown, based on its angles?

6

What type of triangle is shown, based on its angles?

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