The angles are 40 degrees and 140 degrees.
• In plane geometry, a figure which is created by two rays or two lines or line segments that share a common end point is known as angle.
• The two rays which are share a common point are called as sides of the angle an the common end point is called as the vertex.
• Some types of angles are acute angle, right angle, obtuse angle, straight angle and many more.
Let one angle be x
Other angle = 7/2 x
Since it is a linear pair, it’s sum will be 180 degrees.
So, x + 7/2 x = 180
9/2 x = 180
9 x = 360
X = 40
7/ 2 x = 7/2 × 40 = 140
Therefore, the angles are 40 degrees and 140 degrees.
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Answer:
x = -14
Step-by-step explanation:
Graphing is a good method when you have small integers or fractions as your slope.
Substitution is a good method when you have two equations, and when one of the coefficient of the variables is one.
Linear combinations is a good method when you have the same coefficient for the same variable in 2 different equations.
