. (a) E 84 10° 110° B to C NOT TO SCALE INT ANGLE = (n-2) 180 =(5-3)180 -3(180) = 540" x+84+*+110 + 110 2x + 304 = 540 2x = 540-304 In the pentagon ABCDE, angle EAB = angle ABC-110° and angle CDE=84°. Angle BCD-angle DEA =x°. (i) Calculate the value of x. 2x=236 2 x= 118° Answer(a)(i) x= =540 118

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 35E
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Is the solution correct?Why or why not?

. (a)
E
84
10°
110°
B
to
C
NOT TO
SCALE
INT ANGLE = (n-2) 180
=(5-3)180
-3(180)
= 540"
x+84+*+110 + 110
2x + 304 = 540
2x = 540-304
In the pentagon ABCDE, angle EAB = angle ABC-110° and angle CDE=84°.
Angle BCD-angle DEA =x°.
(i) Calculate the value of x.
2x=236
2
x= 118°
Answer(a)(i) x=
=540
118
Transcribed Image Text:. (a) E 84 10° 110° B to C NOT TO SCALE INT ANGLE = (n-2) 180 =(5-3)180 -3(180) = 540" x+84+*+110 + 110 2x + 304 = 540 2x = 540-304 In the pentagon ABCDE, angle EAB = angle ABC-110° and angle CDE=84°. Angle BCD-angle DEA =x°. (i) Calculate the value of x. 2x=236 2 x= 118° Answer(a)(i) x= =540 118
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