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noahah3
22.07.2020 •
Mathematics
IMPORTANT! ANSWER QUESTION NOW. Will award brainliest. Find the value of x. Give reasons to justify your solution.
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Ответ:
for the first one x = 30
Step-by-step explanation:
- 105 + 45 = 150
- since a straight line is equivalent to 180, subtract 150 from 180, leaving you with 30.
- The right angle on the bottom (L) means that it along with the angle next to it must equal 90 degrees. So, if we know that one angle is 30 degrees, and the other angle is 90 degrees, we can add the two and say that
2x + (90+30) = 180
2x + 120 = 180
subtract 120 from both sides
2x = 60
divide by 2
x = 30
Ответ: