Answer:
This would mean 3x=5
so to isolate the x, we divide 5 by 3
and get x=5/3
Answer:
C) 50°
Step-by-step explanation:



Answer: x=80°
Explanation:
To find the exterior angle x we first need to find the last corner angle (a) of the triangle. The angles of triangles add up to 180° so we can use the formula: 25+55+a=180
Solving formula:
25+55+a=180
80+a=180
(Subtract 80 from both sides)
a=100°
Now that we know a=100 we can find the exterior angle. a+x=180 because the angles are on a straight line which equals 180°
a+x=180
100+x=180
(Subtract 100 from both sides)
x=80°
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Answer:
54.609 < 54.69
Step-by-step explanation:
54.69 is closer to a whole number than 54.609 making it the greater number