18
6
2
Because 90 degrees is half of a straight line. A straight line is equal to 180 degrees. 180 divided by 2 = 90.
180 ÷ 40 = 4.5 Or 4 remainder 20
22.5
18
18
180
0.03125
180 / 3 / 2 / 1 = 30
6
2
Because 90 degrees is half of a straight line. A straight line is equal to 180 degrees. 180 divided by 2 = 90.
60,60,60 Because 180 divided by 3 is 60 60x3= 180
180 ÷ 40 = 4.5 Or 4 remainder 20
2