Question

the angles of triangle are (x-40) (x-20)(x/2 -10) . find the value of x and then find angles of the triangle

Answer 1

By angle sum property, .x-40 + x -20 + x /2 = 180 2x-60 + x/2 = 180 Taking LCM, 4x-120 +x -------------------- =180 2 5x-120= 360 5x = 240 x = 48