9514 1404 393
Answer:
x = 20
Step-by-step explanation:
The sum of the given angle expressions is 90°, the measure of the right angle:
x + (3x +10) = 90
4x = 80 . . . . . . . . . subtract 10
x = 20 . . . . . . . . . . divide by 4
Answer:
Step-by-step explanation:
See attachment
Answer: 66
Step-by-step explanation: 180- 83 - 31
Answer:
[See Below]
Step-by-step explanation:

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➜ To solve this, we have to subtract:
➜ To make sure we are correct, we add:
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So your answer would be
.
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