7. To estimate the area of a small lake, students take the following measurements: AB = 250 m BC = 180 m CD = 60 m DE = 100 m EF = 280 m AF = 120 m ZA = 90° ZD = 105° ZBCE = 80° Find the area of the lake to the nearest hundred square meters.

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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7. To estimate the area of a small lake, students take the following measurements:
AB = 250 m
BC = 180 m
CD = 60 m
DE = 100 m
EF = 280 m
AF = 120 m
ZA = 90°
ZD = 105°
ZBCE = 80°
Find the area of the lake to the nearest hundred square meters.
Transcribed Image Text:7. To estimate the area of a small lake, students take the following measurements: AB = 250 m BC = 180 m CD = 60 m DE = 100 m EF = 280 m AF = 120 m ZA = 90° ZD = 105° ZBCE = 80° Find the area of the lake to the nearest hundred square meters.
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