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3 years ago

I will give you a Brainly crown if it is right. Will you help me plzzzzzz helplpppppp

Mathematics

2 answers:

iris [78.8K]3 years ago

8 0

Answer:

Step-by-step explanation:

The whole thing equals 360

so have equals 180

and half of one 180 is 90 and you're trying to find that half of 180.

neonofarm [45]3 years ago

4 0

Answer:

Step-by-step explanation:

A semicircle is 1/2 of a circle

A circle is 360 degrees

1/2 is 180

We have 90 degrees already used on the left

180-90 = 90

b = 90 degrees

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Step-by-step explanation:

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1 year ago

Cos theta=8/17. Find tan theta A. 15/8 B. 15/17 C. 17/15 D. 8/15

Natalija [7]

Answer:

A) $\frac{15}{8}$

Step-by-step explanation:

remember Soh Cah Toa!!

$sin=\frac{opposite}{hypotenuse}\\ cos=\frac{adjacent}{hypotenuse} \\tan=\frac{opposite}{adjacent} \\\\cos=\frac{8}{17}\\\\a^2+b^2=c^2\\8^2+b^2=17^2\\64+b^2=289\\b^2=225\\\sqrt{b^2} =\sqrt{225}\\b=15=opposite\\\\tan=\frac{15}{8}$

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2 years ago

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3 years ago

Using Euler's formula, how many

Romashka-Z-Leto [24]

Answer:

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Step-by-step explanation:

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1 year ago