It is known that in RT triangle ABC, the angle c is equal to 90 ° and if a is equal to 15 and B is equal to 20, the value of C is obtained

It is known that in RT triangle ABC, the angle c is equal to 90 ° and if a is equal to 15 and B is equal to 20, the value of C is obtained

Because the angle c equals 90 degrees
So the triangle ABC is a right triangle
According to Pythagorean theorem
C^2=A^2+B^2
C=25