How many degrees are there in each exterior angle of an equilateral triangle?
a. 30°
c. 90°
b. 60°
d. 120°

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?