Answer:
131.95cm
Step-by-step explanation:
Circumference of a circle is 2 × pi × r
= 2 × pi × 21
= 131.95 cm
y = 1/3x y - 0 = 1/3 (x - 0)
slope intercept: y = 1/3x
point slope: y - 0 = 1/3 (x - 0)
6xy
