Answer:
19
Step-by-step explanation:
When you have a straight line with a transversal, the two angles are equal to 180 degrees
180=123+3x ---> subtract 123 to the other side
57=3x ---> divide by 3
x=57/3
x=19
Answer:
56.924
Step-by-step explanation:
C. 8
You substitute 8 into x, which makes the equation 5(8-5) = 15. 8-5 is 3, and 5 x 3 = 15.
Answer:
131
Step-by-step explanation:
Answer:
r = 12
Step-by-step explanation:
using the formula
d = 2 r
solving for r
r = d/2= 24/2=12
