8. An isosceles triangle has legs of length 20 inches and base angles that measure 24. Which of the following is the area, to the nearest square inch, of this triangle? (1) 200 (3) 149 (2) 163 (4) 81

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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8.
An isosceles triangle has legs of length 20 inches and base angles that measure 24. Which of the following
is the area, to the nearest square inch, of this triangle?
(1) 200
(3) 149
(2) 163
(4) 81
Transcribed Image Text:8. An isosceles triangle has legs of length 20 inches and base angles that measure 24. Which of the following is the area, to the nearest square inch, of this triangle? (1) 200 (3) 149 (2) 163 (4) 81
In acute ADEF it is known that m2D=72°, DE =7, and EF = 12. To the nearest degree m2F =
D
(1) 62°
(3) 34°
יןק
(2) 42°
(4) 51'
F
12
6.
Transcribed Image Text:In acute ADEF it is known that m2D=72°, DE =7, and EF = 12. To the nearest degree m2F = D (1) 62° (3) 34° יןק (2) 42° (4) 51' F 12 6.
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