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Mathematics 19 Online
OpenStudy (anonymous):

Hypotenuse of triangle?

OpenStudy (anonymous):

OpenStudy (anonymous):

5

OpenStudy (anonymous):

find angle B..then use law of sines

OpenStudy (anonymous):

can you explain more please? @Ahmed_007

OpenStudy (♪chibiterasu):

\[a^2 + b^2 = c^2\]

OpenStudy (♪chibiterasu):

Use the pythagorean theorem.

OpenStudy (anonymous):

let me know having found angle B

OpenStudy (anonymous):

@10115658 Could we pick up from where we left off yesterday?

OpenStudy (anonymous):

@♪Chibiterasu it doesn't say what A is

OpenStudy (anonymous):

csc B = 10..this would result in B = 5.739

OpenStudy (anonymous):

since u have come to know the 2 angles and a side..use law of sines for the unknown side

OpenStudy (anonymous):

csc = 1/sin

OpenStudy (anonymous):

ah okay thanks

OpenStudy (anonymous):

not 1/cos

OpenStudy (anonymous):

yea..just did a mistake in hurry.. *sin

OpenStudy (anonymous):

it is 5

OpenStudy (anonymous):

law of sines a/sin A = c/sin C

OpenStudy (anonymous):

csc B = hypotenuse / opposite

OpenStudy (anonymous):

we know opposite is 0.5

OpenStudy (anonymous):

x/0.5 = 10

OpenStudy (anonymous):

x = 0.5 x 10

OpenStudy (anonymous):

x=5

OpenStudy (anonymous):

Does that make sense

OpenStudy (anonymous):

I understand, thanks so much @10115658 @Ahmed_007

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