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3 years ago

If the figure below is rotated 90° counterclockwise about the origin, what is the new location?

Mathematics

2 answers:

MrRa [10]3 years ago

7 0

I wold say it is d A’ (0, -8), B’ (-6, 0), C’ (0, 8), D’ (6, 0)

Alex_Xolod [135]3 years ago

6 0

The answer would be D.

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$\bold{\huge{\purple{\underline{ Solutions }}}}$

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$\bold{\dfrac{ 7}{6}}{\bold{ + }}{\bold{\dfrac{ 2}{5}}}$

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$\sf{ = \:}{\sf{\dfrac{ 35 + 12 }{30}}}$

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<h3>Solution ( b) :-</h3>

$\bold{\dfrac{ 1}{7}}{\bold{ + }}{\bold{\dfrac{ 1}{8}}}$

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$\sf{ =\: }{\sf{\dfrac{ 8 + 7 }{56}}}$

$\sf{ =\: }{\sf{\red{\dfrac{ 15}{56}}}}$

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$\sf{ = \:}{\sf{\dfrac{ 135}{130}}}$

$\sf{ =\:}{\sf{\red{\dfrac{ 27}{26}}}}$

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$\bold{\dfrac{ 7}{5}}{\bold{ - }}{\bold{\dfrac{ 1}{3}}}$

By taking LCM of the given denominators

$\sf{ =\:}{\sf{\dfrac{ 21 - 5 }{15}}}$

$\sf{ = \:}{\sf{\red{\dfrac{ 16}{15}}}}$

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