Triangle pqr with side p across from angle p, side q across from angle q, and side r across from angle r
if r, p, and q are given, then explain whether the law of sines or the law of cosines should be used to solve for ∠q.
law of cosines, two sides and the included angle are known
law of cosines, all sides are known
law of sines, two sides and an opposite angle are known
law of sines, two angles and the included side are known

The equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 5/9 degree celsius. a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. a temperature increase of 5/9 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i only b) ii only c) iii only d) i and ii only