Angles and Triangles

Which group of angles measures could form a triangle?

• 100° 90° 170°
• 60° 25° 95°
• 35° 35° 35
• 90° 60° 45°

Tags

CCSS.8.G.A.5

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Tags

CCSS.8.G.A.5

What type of angle is this? 

• acute
• obtuse
• right

Tags

CCSS.4.G.A.1

_{What is the measure of the angle?}

• 10 degrees. 
• 180 degrees.
• 20 degrees.
• 170 degrees. 

Tags

CCSS.4.MD.C.6

How many degrees do the 3 angles in a triangle total?

• 0 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Which is an obtuse angle?

• 90

• 91

• 180

• 181

Which angles are acute?

• 0 degrees

• 30 degrees

• 89 degrees

• 90 degrees

A right angle is exactly ______ degrees.

Can a triangle have a straight angle?

• yes

• no

Which triangle below is acute?

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• 
• 
•