Chapter 1.2, Problem 56E

John puts the base of a 13-foot ladder five feet from the wall of his house as shown below. How far up the wall does the ladder reach?

An airplane is 90 miles south and 110 miles east of an airport. What bearing should the pilot take to fly directly to the airport?

A guy wire 25 ft long supports an antenna at a point that is 20 ft above the base of the antenna. How far from the base of the antenna is the guy wire secured?

Randy wants to attach a 17-foot string of lights to the top of the 15 foot mast of his sailboat, as shown in the figure. How far from the base of the mast should he attach the end of the light string?

Two wires tether a balloon to the ground, as shown. How high is the balloon above the ground?

The following problem is based on the Parallelogram Law. In the scaled drawing, each unit corresponds to 50 mph. A small airplane travels due east at 250 mph. The wind is blowing at 50 mph in the direction due north. Using the indicated diagonal and use it to determine the speed of the airplane in miles per hour.

Solve the right triangle shown at the right for all unknown sides and angles.

Considering that the consecutive dials on the electric meter rotate in opposite directions, what is the current reading in kilowatt hours of usage? The initial direction is clockwise.

Use the map in Figure 11.2. a. Find the grid section of the Parking Garage. b. What is located in section 2C?