Answer:
the older sister is 27 and the younger is 25.
Step-by-step explanation:
C+2=Y
C+Y=52
2C+2=52
2C=50
C=25
25+2=Y
Y=27
14.9cm
hope it helps you good day.
1+1 = 84, explanation is quite simple. i should get brainliiest
C/2pi = r
C = 2 pi r
divide with 2 pi on both sides to solve for r