Answer:
<h2>m∠2 = m∠1</h2><h2>m∠1 = 75°</h2>
Step-by-step explanation:
Look at the picture.
Vertical angles, corresponding angles, alternate exterior angles are congruent.
Supplementary angles add up to 180°.
Answer:
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
let the number be equal to x
The sum of twice a number= 2x
- 2x+8=20
- 2x=20-8
- 2x=12
- 2x/2=12/2
- x=6
B.
Because it’s an acute angle