Math Angles, Triangles and Circles

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Which word describes the circle and the point of intersection of the 3 lines?

• inscribed and incenter

• inscribed and circumcenter

• circumscribed and incenter

• circumscribed and circumcenter

• Z

• M

• E

Points X, Y, and Z are the midpoints of the sides of ΔABC.

What point is the center of the circle that contains A, B, and C?

• Z

• M

• E

• A
• B
• C
• D

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54