Answer:
147°
Step-by-step explanation:
The measure of arc CH is equal to the central angle it sees
the angles arc AH sees are BAC and CAH so the length of arc AH would be the sum of these two angles
90° + 57° = 147°
Number two because that’s the answer
Answer:
y = 28
Step-by-step explanation:
28 = y
28 = 28
the angles are equal to each other because they are vertical angles
Answer: 15 by 15 units
Step-by-step explanation: brainliest plz and ty
Answer:
Plot
and 
Step-by-step explanation:
Given:

Solving for the positive part of the equation:

Solving for the negative part of the equation:
