Answer:
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A. 30% is the correct. .30 is 30%
Better quality would help, have a good day/night
Answer:
A. 44°
Step-by-step explanation:
180° (straight line) - 88°
= 92
180° - 92°
= 88°
2y = 88°
y = 44°
Answer:
Step-by-step explanation:
There is no such thing as the inverse Law of Cosines. You CAN use the law to find a missing angle, which is found by finding the inverse cos of a ratio. For example, if you have all 3 sides of a non-right triangle and you are looking for the measure of an angle, you would do all the required math, and in the end you would have that cos(x) = some fraction. Take the inverse cos on your calculator of this fraction and get the angle value.
In other words, the Law of cosines can be used to find both a missing side OR a missing angle.
