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Andreas93 [3]
3 years ago
15

ZABD and ZDBC are supplementary angles.

Mathematics
2 answers:
sertanlavr [38]3 years ago
8 0

x=102°Answer:

x+78=180 supplementary angle

x=180-78=102

PSYCHO15rus [73]3 years ago
5 0
<h2>Answer:</h2>

<u>By supplementary angle property</u>,

x + 78° = 180°

x = 180° - 78°

x = 102°.

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Licemer1 [7]
For this you need to know your angles in parallel lines.
3y will equal 87 as they are opposite angles and opposite angles are equal.
So y = 87/3
We can use the knowledge that angles in a straight line (in parallel line diagrams) will add up to 180. Therefore we do 180-87= 93. Now we know 3x=93 because just like the first example they are opposite angles. Now we know x=93/3.
(I didn’t have a calculator on me so you’ll have to work out the final result. Also I recommend looking into angles in parallel lines. I tried my best to explain so I hope you understand the jist of what I was trying to say.)
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\huge\text{Hey there!}


\mathsf{a\times b}}

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\huge\textbf{Therefore, your answer should be:}

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<h3>~\frak{Amphitrite1040:)}</h3>
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