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Mathematics 8 Online
OpenStudy (anonymous):

A parallelogram is drawn with a 60 degree angle as marked. Find the height of the parallelogram.

OpenStudy (anonymous):

OpenStudy (anonymous):

are you familiar with trigonometric identities?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

I think you can solve this one using parallelogram identities but I am not familiar with these.

OpenStudy (anonymous):

A good way to solve this one is to take the left side as a separate triangle.

OpenStudy (anonymous):

|dw:1400890669927:dw|

OpenStudy (anonymous):

\[\sin \theta = opp/ hyp\]

OpenStudy (anonymous):

\[\sin 30 = opp/ 3\]

OpenStudy (anonymous):

opp = 3 sin 30

OpenStudy (anonymous):

so the answer is 3/2

OpenStudy (anonymous):

Do you add it on to the other part of the problem?

OpenStudy (anonymous):

to the 5?

OpenStudy (anonymous):

or is the answer just 3/2?

OpenStudy (anonymous):

nvm thank you :)

OpenStudy (anonymous):

You welcome :) Glad to help.

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