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brilove47
07.12.2019 •
Mathematics
Idon't understand!
< 1 and < 2 are linear pair. m< 1=x-30, and m< 2=x+76. find the measure of each angle?
1) < 1=67,< 2=123
2)< 1=37,< 2=153
3)< 1=37,< 2=143
4)< 1=67,< 2=113
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Ответ:
For this specific problem, the measure of each angle would be <1=37, <2=143. The correct answer between all the choices given is the third choice or number 3. I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.
Ответ:
3) ∠1=37, ∠2=143
Step-by-step explanation:
A linear pair of angles are the adjacent angles which are formed by two intersecting lines.
We know that, the measure of a straight angle is 180 degrees,
Thus, the sum of linear pairs is equal to 180°,
Here, m∠1=x-30°, and m∠2=x+76°,
Where, ∠1 and ∠2 are linear pair,
⇒ m∠1 + m∠2 = 180°
⇒ x - 30° + x + 76° = 180°
⇒ 2x + 46° = 180°
⇒ 2x = 134°,
⇒ x = 67°,
Hence, m∠1 = 67°-30° = 37°,
m∠1 = 67°+76° = 143°
Option '3' is correct.
Ответ:
-6+5
-1
X+2
-6+2
-4
X-3
-6-3=-9
X-4=-6-4
-10