The answer would be 132 because the formula for find circumference while using radius is 2(3.14)r .
C= 2(3.13)21
C= 6.28 • 21 = 131.88
131.88 rounded is 132
Answer:
C. Tetrahedron
Step-by-step explanation:
In figure
Answer
45
23+5x=14+25x
-25x
23-20x=14
+23
-20x=9
x=.45
45miles