Question

Two angels of a triangle are 5पाय radian byy 9 and 5 पाय radian byy 18 . Find the degree and radian measure of third angle.​

Answer 1

Answer:

any triangle ,sum of angles in a triangle is π

Given two angles in radians are

9

5π

,

18

5π

Third angle in radians will be π−

9

5π

−

18

5π

=

18

3π

=

6

π

⟹ third angle in degrees will be

6

π

×

π

180

∘

=30

∘