Triangle Classification and Pythagorean Theorem

Triangle Classification and Pythagorean Theorem

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Mia Campbell

FREE Resource

This video tutorial teaches how to classify triangles using the Pythagorean Theorem. It explains the characteristics of right, acute, and obtuse triangles, and how to identify the hypotenuse. The video demonstrates using the Pythagorean Theorem to prove if a triangle is right, and how to determine if a triangle is obtuse or acute based on side lengths.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of triangle has one angle greater than 90 degrees?

Obtuse triangle

Acute triangle

Right triangle

Equilateral triangle

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Pythagorean Theorem used for?

Finding the area of a triangle

Determining the perimeter of a triangle

Classifying triangles by angles

Calculating the length of sides in right triangles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Pythagorean Theorem, what does 'c' represent in the formula a² + b² = c²?

The hypotenuse

The perimeter of the triangle

One of the legs

The area of the triangle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you identify the hypotenuse in a right triangle?

It is opposite the smallest angle

It is the shortest side

It is opposite the 90-degree angle

It is the side with the smallest number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a triangle has sides 9, 12, and 15, is it a right triangle?

Yes, because 9 + 12 = 15

No, because 9 + 12 ≠ 15

No, because 9² + 12² ≠ 15²

Yes, because 9² + 12² = 15²

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What conclusion can be drawn if the sum of the squares of the legs is less than the square of the hypotenuse?

The triangle is equilateral

The triangle is obtuse

The triangle is acute

The triangle is right

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a triangle with sides 6, 12, and 13, what type of triangle is it?

Obtuse triangle

Right triangle

Scalene triangle

Acute triangle

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