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Ann and Kelly are standing on a liver bank, wondering how wide the river is. Ann is wearing a baseball cap, so she comes up with the following idea: She lowers her cap until she sees the tip of the visor just at the opposite bank of the river. She then turns around 180°, to face away from the river, being careful not to tilt her head or cap, and has Kelly walk to the spot where she can just see Kelly’s shoes. By pacing off the distance between them, Ann and Kelly figure that Kelly was 50 feet away from Ann. If the ground around the river is level, what. if anything, can Ann and Kelly conclude about how wide the river is? Relate this to triangle congruence
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Chapter 14 Solutions
Pearson eText for Mathematics for Elementary Teachers with Activities -- Instant Access (Pearson+)
- When solving a uniform motion problem, how does drawing a diagram of the situation help you?arrow_forwardRandy 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?arrow_forwardRandy wants to attach a 17 foot string of lights to the top of the 15 foot mast of his sailboat, as shown below. How far from the base of the mast should he attach the end of the light string?arrow_forward
- When solving a uniform motion problem, how does creating a table help you?arrow_forwardConsidering that the consecutive dials on the natural gas meter rotate in opposite directions, what is the current reading in cubic feet of usage? The initial direction is clockwise.arrow_forwardSolve the following exercises: Find the value of the unknown angles listed. a. 3 b. 4arrow_forward
- The second hand of a clock is 8 centimeters long. Find the linear speed of the tip of the second hand as it passes around the clock face.arrow_forwardIn the previous exercise, find the coordinates of the midpoint for each diagonal.arrow_forwardJay and Libby are working outside when they see a blimp flying over the neighborhood. Jay is mowing the lawn approximately 2,500 feet (ft.) from Libby when they both see the blimp. Libby looks up from her gardening at an angle of 43º while jay looks up at an angle of 35º. Which distance, in feet, is closest to the vertical height of the blimp above the ground?arrow_forward
- Brian is bringing his boat into a dock that is 9 ft. above the water level. If a 41 ft. rope is attached to the dock on one side and to the boat on the other side, determine the horizontal distance from the dock to the boat.arrow_forwardShahida has seen an eagle landing at the top of the tree in her backyard. Sheplaces a camera on a tripod a distance of 12 feet from the trunk of the tree.She angles the camera to the top of the tree so she can get a picture of theeagle. The height of the tree is 34 feet. The height of the tripod is 4 feet.arrow_forwardA photographer wants to take a picture of a 4 feet vase standing on a 3 feet pedestal. She wants to position the camera at point c on the floor so that the angles subtended by the vase and the pedestal are the same size. How far away from the foot of the pedestal should the camera be?arrow_forward
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