Question

If the angles of a quadrilateral are x,x+10,x+20 and x+30 degrees find the value of each

Answer 1

all 4 angles have to add up to 360°, so

x + x+10 + x+20 + x+30 = 360

solve for x, then sub into the angle expressions

Answer 2

TFS eh h

Answer 3

x=75. so x+10=75+10=85,x+20=75+20=95,x+30=75+30=105. 75+85+95+105=360*