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3 years ago

15

Find the perimeter and area of the rectangle Please help I’m on connexus

1 answer:

MakcuM [25]3 years ago

4 0

Answer:

Formula for Perimeter=2(l+b)

Formula for Area=lxb

(l is length)

(b is breadth or width)

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Unit 8 right triangle and trigonometry homework 5 trigonometry: finding sides and angles solve for x round to the nearest tenth.

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Answer:

5. x = 25.6

6. x = 11.0

7. x = 41.8°

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Step-by-step explanation:

Let's find the x value for each triangle.

<u>For point 5</u>

We have:

x: is the opposite cathetus to 52°

20: is the adjacent cathetus to 52°

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<u>For point 6</u>

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x: is the hypotenuse

5: is the opposite cathetus to the given angle

27°: is the angle

To find "x" we need to use the trigonometric function:

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<u>For point 7</u>

We know:

x°: is the angle

6: is the hypotenuse

4: is the opposite cathetus to x°

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We have:

x°: is the angle

14: is the adjacent cathetus to x°

29: is the opposite cathetus to x°

To calculate "x" we need to use the trigonometric function tan(x):

$tan(x) = \frac{29}{14}$

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We have:

x°: is the angle

54: is the hypotenuse

12: is the opposite cathetus to x°

We can use sin(x) to solve for x:

$sin(x) = \frac{12}{54}$

$x = sin^{-1}(\frac{12}{54}) = 12.8$

<u>For point 10</u>

We have:

x°: is the angle

40: is the hypotenuse

25: is the adjacent cathetus to x°

We need to use cos(x) to solve for x:

$cos(x) = \frac{25}{40}$

$x = cos^{-1}(\frac{25}{40}) = 51.3$

I hope it helps you!

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