Question

The angle of triangle are (x-40degree),(x-20degree)and (1/2x-10)degree find the value of x

Answer 1

Answer:sum property of a triangle=180°

•°• x-40°+x-20°+1/2x-10°=180°

=> x-40°+x-20°+x-10°=180°×2

=> x-40°+x-20°+x-10°=360°

=> 3x-70=360°

=>x-70=360/3°

=>x-70=120°

=>x=120°-70°

=>x=50°

Answer 2

Answer:

I hope it is helpful....................