Identify If the Triangle Is a Right Triangle

What kind of angle does this triangle have

• Right

• Obtuse

• Acute

Name this triangle by its angle and sides.

• acute, scalene

• obtuse scalene

• right, scalene

• right, isosceles

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

LOOKING AT ANGLES: WHAT TYPE OF TRIANGLE IS THIS? HINT: ONE ANGLE = 90 DEGREES

• ACUTE

• OBTUSE

• RIGHT

Three side lengths of a triangle are shown.

 

         6, 8, and 10

 

Complete the statement about the triangle formed.

A triangle formed with side lengths 6, 8, and 10 ​ (a)   a right triangle ​ (b)  

• is

• is not

• whose hypotenuse is 10

• whose hypotenuse is 6

• whose hypotenuse is 8

• so it does not have a hypotenuse

This is a right triangle because —

• it is facing the right way

• it has 3 acute angles

• it has one 90 degree angle

• it does not have one obtuse angle

Select all of the right triangles.

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Tell whether the triangle is a right triangle. Just write "yes" or "no".

Which triangle is a right triangle?

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