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Sauron [17]
4 years ago
12

Does a rotation of 180 degrees preserves a figure's orientation?

Mathematics
1 answer:
umka21 [38]4 years ago
3 0
Yes cause a supplementary angles
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sasho [114]

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20 in squared is the area!

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When you divide an even number by an even number, is the resut always an even number
elena-14-01-66 [18.8K]

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OverLord2011 [107]

Answer:

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8. In ΔRST, m∠R = (2x + 10)°, m∠S = (2x + 25)°, and m∠T = (x – 5)°.
Stolb23 [73]
The measures of the angles in a triangle add up to 180°.
(2x+10)^\circ+(2x+25)^\circ+(x-5)^\circ=180^\circ \\
2x+10+2x+25+x-5=180 \\
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5x=180-30 \\
5x=150 \\
x=\frac{150}{5} \\
\boxed{x=30}
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