The angles shown below are supplementary: A pair of supplementary angles is shown. One angle measures 10x and the other angle me asures 60 degrees. What is the value of x? 6° 9° 12° 18°
2 answers:
It is 12 because there are 180 degrees in a set of supplementary angles and 12 times 10 equals 120, plus 60 equals 180.
Answer:
Option C, 12°
Step-by-step explanation:
When a pair of angles are supplementary that means their sum will be equal to 180°.
By this definition 10x + 60° = 180°
10x = 180 - 60
10x = 120°
x = 12°
Option C, 12° is the answer.
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Hey mate,
Attachment 3 is a right angle because a right angle makes a straight line ( 90 degree angle)
that's why it's a right angle
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