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Mathematics 11 Online
OpenStudy (anonymous):

who wants to do my plato for free :):):):):):):) lol jk :(

OpenStudy (anonymous):

i need someone to do mine

pooja195 (pooja195):

Question .-.?

OpenStudy (anonymous):

lol meeee toooo

OpenStudy (anonymous):

:^|

pooja195 (pooja195):

waiting....

OpenStudy (anonymous):

POO WILL DO

OpenStudy (anonymous):

In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?

OpenStudy (anonymous):

@pooja195

hartnn (hartnn):

can you draw the triangle with the details? that will help us easily identify which trigonometric to use...

OpenStudy (anonymous):

it dosnt have a picture

OpenStudy (solomonzelman):

|dw:1436456727678:dw|

OpenStudy (solomonzelman):

See the picture?

OpenStudy (solomonzelman):

Find the remaining angle A. You can find the side AC using the sines law: \(\displaystyle \frac{{\rm AC}}{{\rm Sin}(\angle {\rm~ B})}= \frac{{\rm BC}}{{\rm Sin}(\angle~{\rm A})}\) THEN you can find AB either using sines law or pathegoryan theorem (a²+b²=c²)

OpenStudy (solomonzelman):

((this is one possible set of steps to find the other 2 sides... you can do it different ways.))

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