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Mathematics 16 Online
OpenStudy (anonymous):

what is the area of a parallelogram with a 45 degree angle and sides of length 6 cm and 7cm.

OpenStudy (anonymous):

first of all a paralellogram is 2 triangles congruent put together

OpenStudy (anonymous):

how do you solve this

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

what

OpenStudy (anonymous):

you remember sine cosine and tangent

OpenStudy (anonymous):

yes but my teacher said to use the 45-45-90 or 30-60-90

OpenStudy (anonymous):

well i guess you can do that :P a rectangle is a paralellogram also after all

OpenStudy (shubhamsrg):

|dw:1357193143638:dw| area of a parallelogram = ab sinx this you can relate from the fact that area of a triangle = 1/2 ab sinx

OpenStudy (anonymous):

i guess my first answer was correct where |dw:1357193235609:dw|

OpenStudy (anonymous):

area of the parallelogram is lw= A

OpenStudy (anonymous):

|dw:1357193454785:dw|

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