Triangles Worksheet

In a triangle, how many total degrees are there?

• it varies

• 100%

• 360 degrees

• 180 degrees

What is the name of this kind of triangle?

• Isosceles

• Right

• Equilateral

• Scalene

What is the name of this kind of triangle?

• Isosceles

• Scalene

• Right

• Equilateral

Find the measure of the indicated angle.

• 95

• 85

• 45

• 35

A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?

• none of the above

• right triangle

• obtuse triangle

• acute triangle

Find the missing angle in the triangle shown.

• 49°

• 39°

• 59°

• 29°

Determine if it is possible to form a triangle with the given side lengths. 2 mm, 2 mm, 8 mm

• no

• yes

Which of the following angles are opposite interior angles to angle d?

• Angle a and Angle b and Angle c

• Angle a and Angle c

• Angle b and Angle c

• Angle a and Angle b

Which of the following terms best describes Angle d? (Refer to the triangle diagram with angles labeled a, b, c, and d)

• Interior angle

• Exterior angle

• Corresponding angle

• Opposite interior angle

What kind of triangle is this? (Refer to the triangle diagram shown)

• Acute

• Right

• Obtuse