Solve each exercise and enter your answer on the grid provided.
The sum of the measures of angle
To find: The measure of angle x .
Answer to Problem 2STP
The measure of angle X is 50.
Explanation of Solution
Given information: The sum of measures of angle x and angle y is 90. And the measure of angle x is 30 less than twice the measure of angle y .
Calculation:
For the given information set up two equations and solve them using substitution method.
The sum of measures of angle x and y is 90.
The measure of angle x is 30 less than twice the measure of angle y .
Substitute x as
Combine like terms
Add both sides 30.
Divide both sides by 3.
Substitute y as 40 into
Hence the measure of angle X is 50.
Chapter 6 Solutions
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