Question

Express the angle in radian measure. 18°

x=pi
answer...
A. x/20
B. x/10
C. x/5
please help, I'd really appreciate it

Answer 1

B

Explanation:

to express degrees in radian measure , then

radian = degree ×
`(\pi )/(180)` , then

radian = 18° ×
`(\pi )/(180)` ( cancel 18 and 180 by 18 )

=
`(\pi )/(10)`