3 years ago

What is the area of the shaded sector?

Mathematics

2 answers:

Fudgin [204]3 years ago

8 0

Answer:

C- 40 $units^2$

Step-by-step explanation:

got it right edg. 2021

Kryger [21]3 years ago

4 0

Answer:

40 units

Step-by-step explanation:

I got it right!!

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astra-53 [7]

Answer: 12.20 feet.

Step-by-step explanation:

Observe in the figure attached that a right triangle is formed.

Then, you need to remember the identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

In this case you can identify that:

$adjacent=10\\hypotenuse=x$

$\alpha=35\°$

Then, to find the length of the wooden board (x), you need to substitute values and solve for x.

Therefore, you get:

$cos(35\°)=\frac{10}{x}\\\\(x)(cos(35\°))=10\\\\x=\frac{10}{cos(35\°)}\\\\x=12.20$

The length of the wooden board is: 12.20 feet.

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