Pythagorean Theorem: Practice 5

In this Grade 8 lesson on Pythagorean Theorem, you will practice solving problems like: "A triangle has sides 12, 16, and 20. Is it a right triangle?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of pythagorean theorem step by step.

Watch how

A triangle has sides 12, 16, and 20. Is it a right triangle?

1Read the problem carefully: "A triangle has sides 12, 16, and 20. Is it a right triangle?"

Problem 1 of 5

1

Problem 1

A triangle has sides 12, 16, and 20. Is it a right triangle?

Problem 2 of 5

2

Problem 2

A rectangular field is 3 m by 4 m. What is the length of the diagonal?

Problem 3 of 5

3

Problem 3

A triangle has sides 9, 12, and 15. Is it a right triangle?

Problem 4 of 5

4

Problem 4

A triangle has sides 7, 24, and 25. Is it a right triangle?

Problem 5 of 5

5

Problem 5

A rectangular field is 9 m by 12 m. What is the length of the diagonal?

Nice work!

You got 0 of 5 right.

Next: Pythagorean Theorem: the length of the diagonal All lessons

🎯

Next Smart Lesson

We'll pick a lesson that matches exactly where your math is right now.

✨ More to explore

🌍 Where you'd use this: Math is the secret language under everything you'll ever buy, play, build, or share.

🤯 Fun fact: 🤯 Math shows up in places nobody told you about — and once you see it, you can't unsee it.

🏆 Try this week: Find one math problem in real life today and solve it without a calculator.

👨‍👩‍👧 At dinner: “Show me one place math showed up today that nobody noticed.”

△Share card

Challenge a friend

Send it to a parent looking for a 5-minute math win that doesn't feel like homework.

Pythagorean Theorem: Practice 5

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Next Smart Lesson

Challenge a friend

Pythagorean Theorem: Practice 5

Done with math? Try something else

Your Cart (0)