What is the perimeter of an equilateral triangle whose area is 75/3' sq. cm? A person standing 40 ft away from shadow is 10 ft long? street light that is 25 ft tall. How tall is he if his

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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а.
What is the perimeter of an equilateral triangle whose area is 75 /3 sq. cm?
b.
A
person standing 40 ft away from a street light that is 25 ft tall. How tall is he if his
shadow is 10 ft long?
Transcribed Image Text:а. What is the perimeter of an equilateral triangle whose area is 75 /3 sq. cm? b. A person standing 40 ft away from a street light that is 25 ft tall. How tall is he if his shadow is 10 ft long?
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