Answer:
60
Step-by-step explanation:
m∠1=(55+65)/2=60
Answer:
It tell the direction and the steepness of the line. Which means how much they rise or how much they fall, horizontal or vertical. It represent by the letter m
Step-by-step explanation:
m= y/x
more detail
m= y₂ - y₁ / x₂ - x₁
<u>Answers with step-by-step explanation:</u>
1. Area of sector 1 = 
2. Area of sector 2 = 
3. Area of sector 3 = 
4. Area of sector 4 = 
5. Arc length of sector 1 = 
6. Arc length of sector 2 = 
7. Arc length of sector 3 = 
8. Arc length of sector 4 = 
ANSWER: D.180
EXPLANATION: A straight angle is 180 degrees
A straight angle changes the direction to point the opposite way. Sometimes people say "You did a complete 180 on that!" ... meaning you completely changed your mind, idea or direction.