3 years ago

Please help it says im wrong im giving brainliest

Mathematics

2 answers:

Lelu [443]3 years ago

5 0

Answer:

ohh

Step-by-step explanation:

AlekseyPX3 years ago

3 0

Answer:

1:5

Step-by-step explanation:

It is asking you to simplify the ratio, although it gave the unsimplified ratio to you below the diagram.

1/5=3/15

HTH :)

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The radius of a circle is 10 miles. What is the length of a 45° arc?

pshichka [43]

Solution

We are given

Radius (r) = 10 miles

Angle (theta) = 45 degrees

We want to find the length of the arc

Note: Formula for the length of an Arc

$\begin{gathered} l=\frac{\theta}{360}\times2\pi r \\ length\text{ }Of\text{ }Arc=\frac{45}{360}\times2\times\pi\times10 \\ length\text{ }Of\text{ }Arc=\frac{1}{8}\times20\pi \\ length\text{ }Of\text{ }Arc=\frac{5}{2}\pi \\ length\text{ }Of\text{ }Arc=7.853981634 \\ length\text{ }Of\text{ }Arc=7.854miles \end{gathered}$

Therefore, the length of the arc is