Answer:
140 degrees
Step-by-step explanation:
The center angle of a semi circumference is 180 degrees
BC 180 - 20 - 20 = 180 - 40 = 140 degrees
Answer:50
Step-by-step explanation:(x+10)+(2x+20)=180
0 because it passes through the orgin
Answer:
7 for all of them but the last one is 29
Step-by-step explanation:
i did it
Answer: Jenny was faster by 116.17
Step-by-step explanation: Jenny: 809.03 meters a minute
Johnny: 692.86 meters a minute