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Jobisdone [24]
3 years ago
6

How many acute angles does a triangle have?

Mathematics
1 answer:
OleMash [197]3 years ago
8 0
Two angles, each 90 degrees
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For the given central angle, determine the distance traveled along the unit circle from the point (1,0). 57
aliina [53]

Answer: (a)- 0.99\ \text{units}

Step-by-step explanation:

Given

Central angle is 57^{\circ}

The radius of the unit circle is 1\ \text{unit}

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\Rightarrow l=\dfrac{\theta}{360^{\circ}}\times 2\pi r

Put the values

\Rightarrow l=\dfrac{57}{360}\times 2\pi \cdot1\\\\\Rightarrow l=0.99\ \text{units}

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3 years ago
Mr. Howard paid $99 for 18 feet of chain. At this rate,
vekshin1

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12.3 feet of chain is your answer.

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Answer:

27

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