Grace draws a straight angle. THen she draws a ray to divide the angle into two smaller angles. If one angle measures 135 degree s, what is the measure of the other angle?
1 answer:
Answer:
45
Step-by-step explanation:
A straight line equals 180 degrees
If we split it into two angles x and y, they add up to 180 degrees
x+y = 180
Let x = 135 for one angle
135+y = 180
Subtract 135 from each side
135-135 +y = 180-135
y = 45
The other angle is 45
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