Statement: : If two distinct planes intersect, then their intersection is a line. Which geometry term does the statement represent? Defined term
Postulate
Theorem
Undefined term

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)