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OpenStudy (anonymous):
OpenStudy (anonymous):
Which one?
OpenStudy (anonymous):
The all on the first slide?
OpenStudy (anonymous):
Are you okay with finding perimeter for the first one?
OpenStudy (bahrom7893):
at least type out the questions just out of courtesy
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OpenStudy (anonymous):
I tink i am lol
OpenStudy (anonymous):
Okidoki, how about the area of the first one?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
Okay. Know the shape and the formula for the area of the shape?
OpenStudy (anonymous):
Rhombus
\[(1/2)d1d2 or a=bh\]
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OpenStudy (anonymous):
(1/2)d1d2 or a=bh
OpenStudy (anonymous):
Ah, not a rhombus. It's just a plain parallelogram, so its area formula is A = bh.
OpenStudy (anonymous):
A rhombus has all its sides congruent. Since one side is 13 and the other is 11, it is just a parallelogram.
OpenStudy (anonymous):
So you have the base already (11 cm), so all you need is the height.
OpenStudy (anonymous):
This is what you're looking at:|dw:1331394176499:dw|
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OpenStudy (anonymous):
What is the third angle?
OpenStudy (anonymous):
90 degree?
OpenStudy (anonymous):
All the angles of a triangle add up to 180 degrees. You have a 90 degree angle and a 45 degree angle.
45+90+a = 180 degrees
Does that equation make sense so far?
OpenStudy (anonymous):
*"a" represents the third angle.
OpenStudy (anonymous):
ok
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