A + 3 A = 180
4 A = 180
A = 45
180 - A - 135
Now try some of these yourself.
To support a young tree, you attach wires from the trunk to the ground. The abtuse angle the wire makes with the ground is supplementary to the acute angle the wire makes, and it is three times as large. find the measures of the angles?
Thank you for yr response
1 answer