Question

03
convert
the following degree
the radian
measures
a) - 120°. b) ( 1/4)°​

Answer 1

×

x

∠

A

O

B

4

right angles

=

r

2

π

r

⇒

1

Radian

4

right angles

=

1

2

π

⇒

1

Radian

=

4

2

right angles

2

π

⇒

1

Radian

=

2

right angles

π

⇒

1

Radian

=

180

∘

π

⇒

1

∘

=

π

180

Radians

Now, You got the Conversion Factor.

So,

−

120

∘

=

−

120

2

×

π

180

3

Radians

=

−

2

π

3

Radisnd