Question

name the vertex and sides of each angle. then classify the angle in four ways. 1) 2)

Explanation:

Step1: Identify angle in 1

Vertex is C, sides are CB and CD. Name is ∠BCD or ∠DCB. Acute angle as less than 90°.

Step2: Identify angle in 2

Vertex is H, sides are H1 and HG. Name is ∠1HG or ∠GH1. Obtuse angle as greater than 90° and less than 180°.

Answer:

1. Name: ∠BCD or ∠DCB, Classification: Acute
2. Name: ∠1HG or ∠GH1, Classification: Obtuse