Angle Addition

Name all the angles in the image.

• ∠C, ∠Y, ∠A, and ∠B

• ∠CBY and ∠YBA

• ∠CBA

• ∠CBA, ∠CBY, and ∠YBA

Find the value of ∠A.

• 25°
• 30°
• 35°
• 90°

Tags

CCSS.7.G.B.5

Solve

• 25°
• 125°
• 145°
• 45°

Tags

CCSS.8.G.A.5

Solve

• 22°
• 42°
• 242°
• 12°

Tags

CCSS.4.MD.C.7

Solve

• 80°
• 40°
• 180°
• 140°

Tags

CCSS.4.MD.C.7

A single angle that measures exactly 90 degrees.

• Obtuse Angle
• Acute Angle
• Right Angle
• Supplementary Angles

Tags

CCSS.4.G.A.1

Find the value of ∠A.

• 39 degrees
• 49 degrees
• 51 degrees
• 59 degrees

Tags

CCSS.7.G.B.5

Solve

• 50°
• 58°
• 115°
• 226°

Tags

CCSS.7.G.B.5

Which postulate or definition states that
m∠ADB + m∠BDC = m∠ADC?

• Segment Addition Postulate
• Angle Addition Postulate
• Definition of Angle Bisector
• Definition of Congruent Angles

Tags

CCSS.4.MD.C.7

A single angle that measures between 90 and 180 degrees.

• Obtuse Angle
• Acute Angle
• Right Angle
• Linear Pair

Tags

CCSS.4.G.A.1