Question

in a right triangle abc angle b=90° c = 30° find a​

Answer 1

Answer:

a+b+c=180

a+90+30=180

a+120=180

a=180-120

=60

Answer 2

Answer:

Sum of three sides of a triangle= 180°

angle b= 90°

angle c= 30°

angle a= 180-(90+30)

= 180-120

= 60°