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3 years ago

Need help Its Geomety

Mathematics

1 answer:

Akimi4 [234]3 years ago

6 0

Step-by-step explanation:

Side CF is 10 due to opposite sides paralleogram theorem

FE is 15 also.

CE is 14 since it bisects it other half

GD is 11 since it half of 22.

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AfilCa [17]

Answer:

Assuming they're similar, 18

Step-by-step explanation:

6*3=18

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3 years ago

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lutik1710 [3]

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Step-by-step explanation:

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3 years ago

Mary has a rope that is 8 meters long. She cuts away a piece that is 1.38 meters long. How long is the remaining piece of rope?

slavikrds [6]

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3 years ago

5-1 3/4-1 1/3 with workouts

Neko [114]

Answer:

Step-by-step explanation:

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3 years ago

What is tan(sin^-1(x/2))

ki77a [65]

Let

$\theta=\sin^{-1}\dfrac x2\implies\sin\theta=\dfrac x2$

Recall that

$\cos\theta=\sqrt{1-\sin^2\theta}=\sqrt{1-\dfrac{x^2}4}$

Then

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}\implies\tan\left(\sin^{-1}\dfrac x2\right)=\dfrac{\frac x2}{\sqrt{1-\frac{x^2}4}}$

$\implies\tan\left(\sin^{-1}\dfrac x2\right)=\dfrac x{\sqrt{4-x^2}}$

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3 years ago