50 POINTS!!! The measures of the angles of a triangle are shown in the figure below. Solve for x.
2 answers:
Answer:
x = 5
Step-by-step explanation:
Add all of the angles together. We know that the third one is 90° because it is a right triangle and the little square indicates a 90° angle.
7x + 16 + 39 + 90 = 180
Simply.
7x + 145 = 180
-145 -145
7x = 35
/7 /7
x = 5
^-^
Solution:
<u>Note that:</u>
<u>Simplify the equation:</u>
- 7x + 16 + 39 + 90 = 180
- => 7x + 145 = 180
- => 7x = 35
- => x = 35/7 = 5
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