Reduce 20/60 to its simplest form
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Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?