Quiz (1 point)
Given that:
AB ⊥ BC
Prove that:
m∠ABC = 90
The following properties may be helpful:
- if AB ⊥ BC, then ∠ABC is a right angle
- if ∠ABC is a right angle, then m∠ABC = 90
Please write your proof in the table below. Each row should contain one claim. The last claim is the statement that you are trying to prove.