Arandom triangle is formed in some way, such that all pairs of angles have the same joint distribution. what is the correlation between two of the angles (assuming that the variance of the angles is nonzero)?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?