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OpenStudy (anonymous):
i need help please
i need to find the value of a on the figure below
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OpenStudy (anonymous):
OpenStudy (anonymous):
You do know that the 4 sides of a parallelogram equal 360 degrees?
OpenStudy (anonymous):
yea but i only get the value of one of them i'm really confused
OpenStudy (anonymous):
some help please?
OpenStudy (anonymous):
you have not given the whole question!
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OpenStudy (anonymous):
yea that's all they gave me to find the value of a
OpenStudy (anonymous):
my options are a) 96 b)192 C)101 D)200
OpenStudy (anonymous):
Maybe, and I am only suggesting here:
b degrees = 196 degrees
a degrees = d degrees + 96 degrees
c degrees + d degrees = 99 degrees
OpenStudy (anonymous):
Thew common denominator is d degrees
OpenStudy (anonymous):
the total of a and c is 164 degrees
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OpenStudy (anonymous):
@UnkleRhaukus
OpenStudy (amistre64):
all the information is there that you need
OpenStudy (amistre64):
|dw:1427903603066:dw|
OpenStudy (amistre64):
the subtended arc of an angle is 2times the angles.
OpenStudy (amistre64):
as such, since you have 4 corners, opposite corners add up to 180 in order to have a complete circle of 360
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OpenStudy (amistre64):
|dw:1427903739366:dw|
OpenStudy (amistre64):
2a + 2b = 360
a+b = 180
OpenStudy (amistre64):
as such:
2(100) = 99+a, solve for a
OpenStudy (anonymous):
so a=101?
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