Find the angle, \theta, between the following lines.
A line with an angle of inclination 28 \degree and a line with an angle of inclination 79 \degree.
A line with an angle of inclination 35 \degree and a line with an angle of inclination 167 \degree.
Find the angle, correct to one decimal place, between the plane AOCB at the base of the prism, and the following lines:
Find the angle, correct to one decimal place, between the plane AOCB at the base of the prism, and the following lines:
Consider the following square pyramid where M is the midpoint of BC:
Find the angle, correct to one decimal place, between the plane AOCB at the base of the pyramid, and the following lines:
In a circus, a wire, A, is attached to the top of a 30\text{ ft} pole. Wire B is used for performers to walk up to the tight wire, 10 \text{ ft} above the ground. The wires are attached 40 \text{ ft} from the pole.
Find the angle \theta between the wires. Round your answer to two decimal places.