Angles and Triangles

• 65^o
• 115^o
• 30^o
• 90^o

What do all the angles of a triangle add up to?

• 360°
• 180°
• 420°
• 500°

What triangle has all equal sides?

• Acute triangle
• Obtuse triangle
• Equal triangle 
• Equilateral triangle

What angle does a right angle have?

• 120°
• 1°
• 180°
• 90°

True or false 
are all triangles the same in some way?

• Ture
• False

What type of angle is this? 

• acute
• obtuse
• right

How many degrees is a straight angle?

• 90
• 360
• 180
• 145

_{What is the measure of the angle?}

• 110 degrees. 
• 140 degrees.
• 150 degrees.
• 170 degrees. 

Find the value of x.

• 15
• 30
• 45
• 60

If angle ∠ABD is 67°. What is ∠DBC?

• 180°
• 90°
• 67°
• 23°