Unit 1 HW 4: Angle Addition

Name the vertex of ∠4.

Name the sides of ∠1. CHOOSE ALL CORRECT OPTIONS.

• BC

• BD

• BE

• BA

• BF

Write another name for ∠5.

Classify each angle: ∠FBC: ​ (a)   ∠EBF: ​ ​ (b)   ∠ABC:​ (c)  

• Right
• Straight
• Acute
• Obtuse

Name an angle bisector.

If m∠EBD = 36° and m∠DBC = 108°, find m∠EBC.

If m∠EBF = 117°, find m∠ABE.

If m∠MKL = 83°, m∠JKL = 127°, and m∠JKM = (9x - 1)°, find the value of x.

If m∠EFH = (5x + 1)°, m∠HFG = 62°, and m∠EFG = (18x + 11)°, find each measure.

x = ___

If m∠EFH = (5x + 1)°, m∠HFG = 62°, and m∠EFG = (18x + 11)°, find each measure.

m<EFH = ___