3 years ago

<1 is complementary to <5 and <7 is complementary to <5 what are the congruent angles

1 answer:

7 0

Angle 1 is congruent to angle 7

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Aleonysh [2.5K]

What part do you have trouble with

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ivann1987 [24]

Use completion of sq method
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3 years ago

zubka84 [21]

Answer:

$\large\boxed{b=\pm\sqrt{77}}$

Step-by-step explanation:

$b^2=77\iff b=\pm\sqrt{77}\\\\\text{because}\\\\(-\sqrt{77})^2=77\ \text{and} \ (\sqrt{77})^2=77$

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