Answer:
For this question, x = 16
Step-by-step explanation:
x/20 = 4/5
if we cross multiply, we will have
x × 5 = 4 × 20
5x = 80
x = 80/5
x = 16
He will need about 3.14 or pi since circumference= pi*d
Kelso / jones = 84.5/33.8 = 5/2 = 2 1/2
==> c
Answer:
12.57cm
Step-by-step explanation:
the diameter is 4cm, so the radius is 2cm (radius is half the diameter)
the circumference of a circle is 2 x pi x radius
so simplified is 4 x pi
which is 12.57cm
hope this helped!!