Suppose a triangle has vertices A, B and C and has the following measurements: mZC 91° AC = 40.2 cm BC = 32.4 cm = a. Start by drawing a diagram of this triangle and labeling the known values. b. What is the length of AB in cm? AB = √32.42 + 40.22 - 2(32.4) (40.2) cos(91°) ✓ cm = 52.06978798375182 c. What is the degree measure of ZA? mZA = d. What is the degree measure of ZB? mZB = о о
Suppose a triangle has vertices A, B and C and has the following measurements: mZC 91° AC = 40.2 cm BC = 32.4 cm = a. Start by drawing a diagram of this triangle and labeling the known values. b. What is the length of AB in cm? AB = √32.42 + 40.22 - 2(32.4) (40.2) cos(91°) ✓ cm = 52.06978798375182 c. What is the degree measure of ZA? mZA = d. What is the degree measure of ZB? mZB = о о
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Suppose a triangle has vertices A, B and C and has the following measurements:
mZC
91°
AC = 40.2 cm BC
= 32.4 cm
=
a. Start by drawing a diagram of this triangle and labeling the known values.
b. What is the length of AB in cm?
AB
=
√32.42 + 40.22 - 2(32.4) (40.2) cos(91°)
✓ cm = 52.06978798375182
c. What is the degree measure of ZA?
mZA =
d. What is the degree measure of ZB?
mZB =
о
о
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