Mathematics Grade 7 15 min

Number of sides in polygons (Review)

Number of sides in polygons (Review)

What you'll learn

  • Identify parallel, perpendicular, and skew lines in three-dimensional diagrams with 80% accuracy on a formative assessment.
  • Distinguish between parallel, perpendicular, and intersecting planes when presented with geometric models and justify their reasoning with precise definitions.
  • Apply the properties of parallel and perpendicular lines to determine angle relationships formed by a transversal intersecting parallel planes, solving for unknown angle measures with 75% accuracy.
  • Explain the relationship between parallel lines, perpendicular lines, and planes using geometric theorems and postulates in a written explanation of at least 100 words.

Tutorial Preview

1

How many sides does a triangle have?

2

How many sides does a square have?

3

What is a polygon with 6 sides called?

Sample Practice Questions

Easy
How many sides does this shape have?
0.2
1.3
2.4
3.5
Easy
A shape has 3 sides. What is it called?
0.Triangle
1.Square
2.Circle
3.Line
Easy
How many sides does a square have?
0.3
1.4
2.5
3.6

Want to practice and check your answers?

Sign up to access all questions with instant feedback, explanations, and progress tracking.

Start Practicing Free

More from Geometry, Area & Perimeter

Mathematics for other grades

Frequently asked questions

What grade level is "Number of sides in polygons (Review)"?

Number of sides in polygons (Review) is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Number of sides in polygons (Review)?

You'll be able to: Identify parallel, perpendicular, and skew lines in three-dimensional diagrams with 80% accuracy on a formative assessment; Distinguish between parallel, perpendicular, and intersecting planes when presented with geometric….

Is "Number of sides in polygons (Review)" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Number of sides in polygons (Review)?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

Ready to find your learning gaps?

Take a free diagnostic test and get a personalized learning plan in minutes.