Angles

The sum of angles on a straight line is ___________.

• 180°

• 90°

• 360°

• 80°

The sum angle at a point is ___________.

• 90°

• 180°

• 360°

• 80°

• Right
• Straight
• Acute
• Obtuse

Tags

CCSS.4.G.A.1

Name this angle.

• acute
• right
• obtuse
• none of the above

Tags

CCSS.4.G.A.1

Name this angle.

• acute
• right
• obtuse
• none of the above

Tags

CCSS.4.G.A.1

Name this angle.

• acute
• right
• obtuse
• none of the above

Tags

CCSS.4.G.A.1

B and C are straight lines. What is the value of angle A?

• 110°

• 115°

• 128°

• 129°

In this question, the lines meet at a point. Find the unknown marked angles. 

• 270°

• 200°

• 260°

• 230°

How many degrees is a right angle?

• 180°

• 80°

• 90°

• 110°

In this question, the lines meet at a point. Find <e.

• 92°

• 95°

• 96°

• 97°