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29 Nov 2015, 11:02
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B
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Difficulty:
15%
(low)
Question Stats:
75% (00:39) correct
25%
(00:40)
wrong
based on 1628
sessions
History
Date
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If ∠XYZ in the figure above is a right angle, what is the value of x?
(A) 155
(B) 145
(C) 135
(D) 125
(E) 110
Attachment:
Untitled.png [ 921 Bytes | Viewed 31848 times ]
25 Nov 2019, 12:17
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Bunuel
Given: ∠XYZ = 90°
Add to diagram
90° - 55° = 35°
So, the missing angle is 35°
Finally, since angles on a line add to 180°, we can write: x° + 35° = 180°
Solve to get: x = 145°
Answer: B
Cheers,
Brent
29 Nov 2015, 11:26
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\(\angle\)XYZ = 90
\(\angle\) XYA = 90 - 55 - 35
\(\angle\) x + \(\angle\) XYA = 180
=>\(\angle\) x = 145
Answer B
\(\angle\) XYA = 90 - 55 - 35
\(\angle\) x + \(\angle\) XYA = 180
=>\(\angle\) x = 145
Answer B
