Question

The radius of a circle is 4 centimeters. What is the length of a 45° arc?
450
r=4 cm
Give the exact answer in simplest form.
centimeters

Answer 1

Answer:

201cm

Step-by-step explanation:

length of arc=∅/360×Πd

=45/360×3.142×8cm

=201.088cm

round off=201