Solve for Sides of Right Triangles Pythagorean Theorem

To which shape(s) does the Pythagorean theorem apply?

• All triangles

• Right triangles only

• Some right triangles and some isosceles triangles 

• Right triangles and circles.

The Pythagorean theorem states that:

• The two smaller sides of a right triangle sum to equal the longest side.

• The squares of the two smaller sides of a right triangle sum to equal the square of the longest side.

The longest side of a right triangle is called the...

• leg A

• leg B

• hypotenuse

• right angle

If the Pythagoras property holds, the triangle must be _____

• right angled

• acute angled

• obtuse angled

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• 10 ft.

• 14 ft.

• 15 ft.

• 12 ft.

What if the Hypotenuse is already given, like you see in the picture?

Is the triangle a right triangle? Explain.