Question

two angles of a triangle are 5pie by 9 and 5pie by 18 find the degree and radian measure of third angle​

Answer 1

Answer:

We know that

sum of measure of all angles of triangle

is 180

i.e. π

.. 5π/9+5π/18+x=π

15π/18+x=π

x= π-15π/18

x= 3π/18

i.e. π/6

ANS:- π/6 and 60°