A quadrilateral has two right angles. The measure of the third angle is 73°.
What is the measure of the fourth angle?
°
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OpenStudy (anonymous):
sum of angles of quadilateral = 360
so forth angle = 360-90-90-73
OpenStudy (kayders1997):
Do you know how many degrees are in a quadrateral?
OpenStudy (kayders1997):
Quadrilateral
OpenStudy (anonymous):
73 it says
OpenStudy (kayders1997):
That a angle measure in the shape
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OpenStudy (anonymous):
107
OpenStudy (anonymous):
oh lol
OpenStudy (kayders1997):
Your not supposed to give direct answers :/
OpenStudy (kayders1997):
There are 360 degrees in a 4 sided shape and you have 2 right angles which mean 90 degrees than you have an angle of 72 so you add 90+90+72 up than since you have 360 degrees in a four sided shape you need to subtract 360 from the number you get when your done adding
OpenStudy (kayders1997):
My bad 73 not 72
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OpenStudy (anonymous):
omg thats alot of words xD
OpenStudy (kayders1997):
Do you want me to simplify it for you?
OpenStudy (anonymous):
if you can
OpenStudy (kayders1997):
You have angles 90 90 and 73 already right?
OpenStudy (anonymous):
yes
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OpenStudy (kayders1997):
So first add them to see the degrees you have in the shape
OpenStudy (anonymous):
i think i figured it out i just think
OpenStudy (anonymous):
107?
OpenStudy (kayders1997):
Yes good job :)
OpenStudy (anonymous):
YESSS
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OpenStudy (anonymous):
CAN YOU help me with a few more?
OpenStudy (kayders1997):
Yes
OpenStudy (anonymous):
i gave you a medal btw :)
OpenStudy (kayders1997):
Thanks I'll give you a medal for your efforts :)
OpenStudy (anonymous):
If r = 12, what is the value of t?
9 + r × 3 = t
A.
54
B.
45
C.
36
D.
15
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OpenStudy (anonymous):
ty
OpenStudy (kayders1997):
So first we need to plug the value in for r into the equation
OpenStudy (kayders1997):
How will that look? :)
OpenStudy (anonymous):
12
OpenStudy (kayders1997):
Yes so we have 9+12x3 right? Just plugging 12 into r
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OpenStudy (anonymous):
right
OpenStudy (kayders1997):
Now do you do the adding first or multiplaction?
OpenStudy (anonymous):
i think multiplaction
OpenStudy (kayders1997):
Yes PEMDAS tells us multiplication first so 12x3 is?
OpenStudy (anonymous):
36
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OpenStudy (kayders1997):
Now add 9 :)
OpenStudy (anonymous):
45?
OpenStudy (kayders1997):
Yes :)
OpenStudy (kayders1997):
That wasn't to bad :)
OpenStudy (anonymous):
crappppp i hate these kind and i cant copy and paste a picture
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OpenStudy (kayders1997):
What is it?
OpenStudy (anonymous):
its like one of thoes number line things in the big rectangle
OpenStudy (kayders1997):
Huh?
OpenStudy (kayders1997):
You can't copy amd paste the link? People do it all the time