Answer:
answer is 134°
Step-by-step explanation:
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The measure of angle BCD is 32 degrees
<h3>How to determine the value of BCD?</h3>
The image of the parallelogram that completes the question is added as an attachment.
The given parameter is:
m<DAB = 32 degrees
From the attached image, we can see that BCD and DAB are opposite angles.
Opposite angles of a parallelogram are equal.
So, we have:
BCD = 32 degrees
Hence, the measure of BCD is 32 degrees
Read more about parallelograms at:
brainly.com/question/21322889
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Sorry, it's late, and I'm a bad explainer.
The error is adding (2x-12) with x and 30. This is wrong because you are adding the angles inside the triangle and you are assuming that (2x - 12) is the unlabeled angle INSIDE the triangle, when it is the exterior angle/outside of the triangle.
A straight line is also 180°.
(2x - 12) + ? = 180
30 + x + ? = 180
If you look at the equations, and put parentheses around 30 + x, (30 + x) and (2x - 12) should be the SAME NUMBER. So you could set them equal to each other to find x. (or you could also look at the picture and see that they both need/are missing the same angle)
2x - 12 = 30 + x
x = 42
Now you plug 42 into the exterior angle equation
2(42) - 12 = 84 - 12 = 72°
To get this answer you would multiply 42 times 39%
