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Mathematics 21 Online
OpenStudy (anonymous):

WILL MEDAL! Find... The value of each variable (to nearest tenth) The perimeter of the triangle (nearest tenth)

OpenStudy (anonymous):

OpenStudy (anonymous):

to find b, do 7/(sin 21)

OpenStudy (anonymous):

okay i got 7.49

OpenStudy (anonymous):

@tylermcmullen23

OpenStudy (anonymous):

you used cos, you have to use sin, which would make it 19.5

OpenStudy (anonymous):

oh okay sorry. I got that now

OpenStudy (anonymous):

for a, you need to do cos21 first

OpenStudy (anonymous):

then, multiply that by 19.5

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