An observer (O) spots a bird flying at a 35° angle from a line drawn horizontal to its nest. If the distance from the observer (O) to the bird (B) is 21,000 ft., how far is the bird (B) from its nest (N)? Round to the nearest whole number. (4 points) A right triangle B N O is shown with angle B marked 35 degrees, side B N marked x and side B O marked 21000 feet. Select one: a. 12,045 feet b. 14,704 feet c. 16,980 feet d. 17,202 feet