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Leona [35]
2 years ago
15

Circle P has a radius of 45units. It includes a sector with a central angle of x˚ and an area of 1 square unit. Which proportion

could be used to determine the value of x?
Question 13 options:

1625π=x360

2516π=x360

1625π=x180

2516π=x180
Mathematics
1 answer:
lilavasa [31]2 years ago
5 0

Step-by-step explanation:

area of sector =x°/360×π×r²

1unit²=x°/360×π×45²

360=x°×π×2025

i think this is your answer.

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damaskus [11]

Answer:

The answer to your question is 43 ft

Step-by-step explanation:

Data

angle = Ф = 35°

length = 75 ft

height = ?

Process

To solve this problem, use trigonometric functions. The trigonometric function that relates the Opposite side (height) and the hypotenuse (length) is sine.

               sin Ф = Height / length

-Solve for height

                height = length x sin Ф

-Substitution

                height = 75 x sin 35

-Simplification

                height = 75 x 0.574

-Result

                 height = 43 ft

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