Asked by Corey



If, I ahve a trapezoid with two angles
Angle 86 degrees and 41 degrees and angle A 133 degrees

then,side b 10
Short base 6

How do I solve to get angle B?
Answered by rbowh
The 4 angles of a trapezoid add up to 360.
Since you give the measures of three of those angles, add then subtract to find the fourth angle.
Answered by Corey
I got 100 degrees for the 4th angle, is this right?


Also, the numbers around the shape I don't do anything for them?
Answered by rbowh
What did you get when you added
86 + 41 + 133?
Answered by Corey
I got 260 degrees
Answered by Corey
I understand the degrees problem, but confused on the non degree numbers I mentined above? 10 and 6 around the shape?
Answered by rbowh
Something is wrong with the information you have given us. 100 does make the four angles add up to 360 but each pair of angles between the parallel bases has to add up to 180 and with this information, they do not. Are the parallel bases AB and CD?
Answered by Corey
AD and BC are parallel
The short base parallel is AD with 6 in the middle, but angle D has 86 degrees.
BC long base paralle has no number but angle c is 41 degrees.
The side leg AB has a number 1o, but A has angle 133 degrees.

Make sense?
Answered by Corey
AD and BC are parallel
The short base parallel is AD with 6 in the middle, but angle D has 86 degrees.
BC long base paralle has no number but angle c is 41 degrees.
The side leg AB has a number 10.


I took out the 133 degrees on angle A
Answered by Corey
Oh and nothing between DC or between BC. Shape looks like a trapezoid.
Answered by rbowh
It cannot be a trapezoid!!!
Answered by Corey
Ok, sorry not a trapezoid. Do you normally !!! this to kids?
Answered by rbowh
Yes, I !!! To kids if I want to make a point.
It is very difficult to help a student if the information provided is not correct.
Answered by Corey
Your right of course on the shape. I can not find the exact shape name.


I will figure it out. But if you can tell me when the shape has numbers, not degrees, on the sides what do I do with them? If I have angle D 86 degrees, Angle C 41 degrees and angle A 133 degrees. I add them all up I got 260.


The shape is distorted so between A and D is 6 it says.

Between A and B it says 10. Shape is like a fountain drink cup but distored on top right stresteched out sharp.


So AB paraell to DC
And AD to BC.

I tried and tried to copy the pic of it all but nothing works. I understand if you can't help with this info.
Answered by Corey
Are the parallel bases AB and CD?
yes
Answered by rbowh
I'm assuming this quadrilateral, ABCD is in a plane and not on a sphere.
Given the information you have provided, the numbers 6 and 10 on two of the sides has nothing to do with the question.
In EVERY quadrilateral, no matter the shape, the sum of the four angles is ALWAYS.
Answered by Corey
Yes you nailed it. :))) Thank you. And for not giving up on me. I thought you did.

Thank you :))
Answered by Allison
I think rbowh left 360 degrees off the end of the sentence in the last comment.
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