Answer:
x = 20
Step-by-step explanation:
The three angles make up a straight line.
A straight line has 180 degrees.
x + 3x + 100 = x80 Combine
4x + 100 = 180 Subtract 100 from both sides
4x = 180 - 100
4x = 80 Divide by 4
x = 80/4
x = 20
The answer is the last one
Answer:
B, C, C
Step-by-step explanation:
Answer:
59/9
Step-by-step explanation:
d=100. 12/4=3 min/lap
12mins 4 laps. 100/180= 59/9
R=50
2(pie)(50)=100(pie)
