Pythagorean Theorem Intro - Worksheet 2 - 8th Grade

Easy

Use a² + b² = c² for right triangles, coordinate distances and contextual problems.

easy: Use small whole-number measurements.

15 problems · 15-20 minutes · Skills: pythagorean theorem, right triangles, geometry

About This Worksheet

This easy-level worksheet contains 15 problems designed for 8th Grade students practicing introduction to the pythagorean theorem. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.

Read labeled dimensions and coordinates. Recall multiplication facts and length units.

  • Use a² + b² = c² for right triangles, coordinate distances and contextual problems.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: A right triangle has legs 9 cm and 12 cm. Find its hypotenuse.
Solution Steps:
  1. Add the squares of the two perpendicular lengths.
  2. Take the positive square root.
Answer: 15 cm
Tip: Check your result using the method in the example before moving to the next question.
1
A right triangle has legs 6 cm and 8 cm. Find its hypotenuse.
2
A right triangle has legs 9 cm and 12 cm. Find its hypotenuse.
3
A right triangle has legs 3 cm and 4 cm. Find its hypotenuse.
4
A right triangle has legs 12 cm and 16 cm. Find its hypotenuse.
5
A right triangle has legs 15 cm and 20 cm. Find its hypotenuse.
6
A right triangle has legs 9 cm and 12 cm. Find its hypotenuse.
7
A right triangle has legs 15 cm and 20 cm. Find its hypotenuse.
8
A right triangle has legs 3 cm and 4 cm. Find its hypotenuse.
9
A right triangle has legs 12 cm and 16 cm. Find its hypotenuse.
10
A right triangle has legs 9 cm and 12 cm. Find its hypotenuse.
11
A right triangle has legs 3 cm and 4 cm. Find its hypotenuse.
12
A right triangle has legs 12 cm and 16 cm. Find its hypotenuse.
13
A right triangle has legs 15 cm and 20 cm. Find its hypotenuse.
14
A right triangle has legs 6 cm and 8 cm. Find its hypotenuse.
15
A right triangle has legs 9 cm and 12 cm. Find its hypotenuse.

Answer Key

1. 10 cm2. 15 cm3. 5 cm4. 20 cm5. 25 cm6. 15 cm7. 25 cm8. 5 cm9. 20 cm10. 15 cm11. 5 cm12. 20 cm13. 25 cm14. 10 cm15. 15 cm

Frequently Asked Questions

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What skills does this pythagorean theorem worksheet cover?

This worksheet focuses on pythagorean theorem, right triangles, geometry. It is designed for 8th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 15 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.