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ccollinsphotogr3177
15.04.2021 •
Mathematics
A reflection across a line followed by a reflection across the same line will place all
figures in the plane back onto their original position.
True
False
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Ответ:
x = -7
Step-by-step explanation:
m<MLP + m<PLK = m<MLK (angle addition postulate)
(x + 31) + (x + 147) = 164 (substitution)
Solve for x
x + 31 + x + 147 = 164
Add like terms
2x + 178 = 164
2x = 164 - 178
2x = -14
x = -14/2
x = -7