Asked by anonymous
use trigonometric ratios and the Pythagorean theorem to solve the triangle.
h ttps://upload.wikimedia.org/wikipedia/commons/6/6f/Rtriangle.svg
c = 13.6 ft
a = 7.2 ft
my answer:
a^2 + b^2 =c^2
7.2^2 +13.6^2 = b^2
51.84 + 184.96 = b^2
√(236.8)= b
15.39 = b
Sin A = 7.2/13.6
A=31.96 = 32
Angle b = 90-32
b= 58
c = 90
is my answer correct?
h ttps://upload.wikimedia.org/wikipedia/commons/6/6f/Rtriangle.svg
c = 13.6 ft
a = 7.2 ft
my answer:
a^2 + b^2 =c^2
7.2^2 +13.6^2 = b^2
51.84 + 184.96 = b^2
√(236.8)= b
15.39 = b
Sin A = 7.2/13.6
A=31.96 = 32
Angle b = 90-32
b= 58
c = 90
is my answer correct?
Answers
Answered by
oobleck
nope. b^2 = c^2 - a^2
the angles are ok, since you didn't have to use b.
the angles are ok, since you didn't have to use b.
Answered by
Reiny
I had given you the steps, why did you change the equation?
https://www.jiskha.com/questions/1801467/use-trigonometric-ratios-and-the-Pythagorean-theorem-to-solve-the-triangle-h-ttps-upload-wikimedia-org-wikipedia-commons-6-6f-Rtriangle-svg
https://www.jiskha.com/questions/1801467/use-trigonometric-ratios-and-the-Pythagorean-theorem-to-solve-the-triangle-h-ttps-upload-wikimedia-org-wikipedia-commons-6-6f-Rtriangle-svg
Answered by
Anonymous
31.0cm 13.6 cm
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