Two angles are complementary when they add up to 90 degrees<span>
m</span>∠B = 90° - m∠A = 90° - 40° = 50°
Two angles are supplementary when they add up to 180 degrees
m∠C = 180° - m∠B = 180° - 50° = 130°
19200 all you have to do to figure this out is multiply 100 times 8 since the is 8 halfs in 4 hours.
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It is the last one.
A pre-image is the original before another shape is created from it, either dilated, translated, reflected, or rotated.
The error to that problem is the person switched the x and y points, like in point A, it’s supposed to be (x,y) or (1,5). The person put the y in front of the x while writing the points.
