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Mathematics 9 Online
OpenStudy (anonymous):

Solve the triangle. A = 33°, a = 19, b = 14

OpenStudy (anonymous):

B = 23.7°, C = 143.3°, c ≈ 23.3 B = 23.7°, C = 123.3°, c ≈ 17.5 Cannot be solved B = 23.7°, C = 123.3°, c ≈ 29.2

OpenStudy (anonymous):

what's the question.

OpenStudy (anonymous):

can you post a picture?

OpenStudy (anonymous):

theres no picture to post ?

OpenStudy (anonymous):

you have to solve the triangle

OpenStudy (anonymous):

I mean use law of sines.

OpenStudy (anonymous):

okay for the measure for all the angles inside is 180

OpenStudy (anonymous):

i know that B=23.7 and C=123.3 idk what c=

OpenStudy (anonymous):

yeah.

OpenStudy (anonymous):

Use law of sines then. sin(angle)/side = sin(angle)/side This helps you find the angle or side.

OpenStudy (anonymous):

what do i plug in

OpenStudy (anonymous):

ohh wait. just draw the triangle and we will see what law can we use to find that side

OpenStudy (anonymous):

how do i draw it lol im new to this

OpenStudy (anonymous):

where you type theres a box in there that says draw

OpenStudy (anonymous):

Okay I got the answer. Just draw it out first.

OpenStudy (anonymous):

use sine formula

OpenStudy (anonymous):

You only need law of sines on this.

OpenStudy (anonymous):

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OpenStudy (anonymous):

can you help me set it up ?

OpenStudy (anonymous):

law of sines is sin(a)/side a = sin(b)/sin b

OpenStudy (anonymous):

Usually when you set this up, you want to use your givens. Since you are sure of the angle and side of A/a, use that as one side.

OpenStudy (anonymous):

sin33/19 = sin123.3/side C

OpenStudy (anonymous):

Solve it.

OpenStudy (anonymous):

Oops, I made a mistake on the equation. sine(angle a)/side A = sine(angle b)/side B

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