I need help with classifying angles

2 answers:

8 0

Acute has the word cute in it and small things can be cute so to remember a small angle/ acute angle use that trick.
Obtuse sounds big so it is a big angle

givi [52]2 years ago

3 0

Angles<span> can be either straight, right, acute or obtuse. An angle</span><span> is a fraction of a circle where the whole circle is 360°. A straight </span>angle<span> is the same as half the circle and is 180° whereas a right </span>angle<span> is a quarter of a circle and is 90°

hope this helped.</span>

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Rudik [331]

Answer:

(a) 169.1 m

Step-by-step explanation:

The diagram shows you the distance (x) will be shorter than 170 m, but almost that length. The only reasonable answer choice is ...

169.1 m

The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

The leg of the right triangle adjacent to the marked angle is x, and the hypotenuse is 170 m. Putting these values into the equation, you have ...

cos(6°) = x/(170 m)

x = (170 m)cos(6°) ≈ (170 m)(0.994522) ≈ 169.069 m

The horizontal distance covered is about 169.1 meters.

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<em>Additional comment</em>

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Rina8888 [55]

Answer:

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Step-by-step explanation:

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LenKa [72]

Answer:

68/.75

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7 0

2 years ago

A simple random sample of 64 observations was taken from a large population. The population standard deviation is 120. The sampl

jeka94

Answer:

<h3>The standard error of the mean is <u>15</u></h3>

Step-by-step explanation:

Given that a simple random sample of 64 observations was taken from a large population.

Hence it can be written as n=64

The population standard deviation is 120.

It can be written as $\sigma_{\overline{X}}=120$