Lesson Steps:

Take 180° and minus angles a and b. If the answer for C is the same. It means the traingle is equivalent

Answer:

He is correct. The angles of a triangle add up to 180°. Therefore if a and b are 60 C must be 60 and therefore the triangle is equivalent.

Grade: 8
Level: Primary
Subject: Math
Topic: Addition

Lesson Steps:

solved

Answer:

correct

Grade: 8
Level: Primary
Subject: Math
Topic: Addition