A triangular lot has sides of 80 feet, 72 feet, and 60 feet. If real estate costs $4.50 per square foot, find the cost of the lot to the nearest dollar.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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A triangular lot has sides of 80 feet, 72 feet, and 60 feet. If real estate costs $4.50 per square
foot, find the cost of the lot to the nearest dollar.
A helicopter is sighted at the same time by two ground observers who are 5 miles apart on the
same side of the helicopter. They report angles of elevation of 23.5° and 37.8°. How high is the
helicopter?
Transcribed Image Text:A triangular lot has sides of 80 feet, 72 feet, and 60 feet. If real estate costs $4.50 per square foot, find the cost of the lot to the nearest dollar. A helicopter is sighted at the same time by two ground observers who are 5 miles apart on the same side of the helicopter. They report angles of elevation of 23.5° and 37.8°. How high is the helicopter?
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