Points A and B are 100 m apart and are of the same elevation as the foot of a building. The angles of elevation of the top of the building from points A and B are 21 degrees and 32 degrees respectively. How far is A from the building?
A259.28 m
B265.42 m
C271.62 m
D277.92 m
#122📜 Preboard📘 PowerhouseEasy
Give the degree measure of the angle 3π/5.
A150 degrees
B106 degrees
C160 degrees
D108 degrees
#123📜 Preboard📘 PowerhouseEasy
A wheel 4 ft in diameter is rotating at 80 r/min. Find the distance (in ft) travelled by a point on the rim in 1 s.
A18.6
B16.8
C17.8
D18.7
#124📜 Preboard📘 PowerhouseEasy
If \(\sec^2 A = \tfrac{5}{2}\), then \(1 - \sin^2 A =\)
