Answer:
-6 because I did it on my calculator
Answer:
trapezium................
Answer:
4
When you divide powers you take them away but when you times them you add them
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°
