2. An auditorium has 20 seats in the first row, 24 seats in the second row, 28 seats in the third row, and so on. There are a total of 30 rows in the auditorium. How many people can be seated in the auditorium? Use the formula S₂ = 7/7 (ª₁ + ªn). ¹1 a₁ = n= d =

2. An auditorium has 20 seats in the first row, 24 seats in the second row, 28 seats in the third row, and so on. There are a total of 30 rows in the auditorium. How many people can be seated in the auditorium? Use the formula S₂ = 7/7 (ª₁ + ªn). ¹1 a₁ = n= d =

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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