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faust18 [17]
3 years ago
15

What is the area of the shaded sector of the circle?

Mathematics
1 answer:
oee [108]3 years ago
5 0

Answer:

area if sector= teeta. ×πr²

360

<u>120</u>°. ×<u>2</u><u>2</u>×9×9

360. 7

<u>3×1782</u>

7

5346

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If a bloodstain has a length of 3.0cm and a width of 1.5cm what is the angle of impact?
zalisa [80]

The angle of impact is 30°

<h3>What is the angle of impact?</h3>

In a bloodstain, the angle of impact can be used to determine the appearance of the resulting bloodstain if the bloodstain has a tail or pattern.

  • Bloodstain pattern analysis is the study of bloodstains at a scene of the crime in an attempt to reconstruct the events that resulted in the bloodshed.

Mathematically;

\mathbf{Angle  \ of \  impact = sin^{-1} (\dfrac{width \ stain}{length \ stain} )}

\mathbf{Angle  \ of \  impact = sin^{-1} (\dfrac{1.5}{3.0} )}

\mathbf{Angle  \ of \  impact = 30 ^0}

Learn more about the angle of impact here:
brainly.com/question/19423063

6 0
2 years ago
The surface area of the pyramid is<br><br> square inches.<br> fill in the blank
Rudik [331]

Answer:

9360 square inches

Step-by-step explanation:

4 0
2 years ago
A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 36 ​centimeters, and the l
DochEvi [55]

Answer:

45.6 cm

Step-by-step explanation:

Let X be the hypotenuse.

(36)^2 + (28)^2 = X^2

X = 45.6 cm

3 0
1 year ago
- The lengths (in feet) of the sides of a pentagon can be represented by these
olganol [36]

Answer:

  9a+12

Step-by-step explanation:

The perimeter is the sum of the side lengths, so is ...

  6a + a + 4 + 8 + 2a

  = a(6 +1 +2) + (4 +8)

  = 9a +12

8 0
3 years ago
Solve for x in the equation x^2- 10x+ 25=35
DIA [1.3K]

Answer:

<h3>x = 5  +  \sqrt{35}  \:  \:  \:or \:  \:  \: x = 5 -  \sqrt{35}  \\</h3>

Step-by-step explanation:

x² - 10x + 25 = 35

Move 35 to the left side of the equation

That's

x² - 10x + 25 - 35 = 0

x ² - 10x - 10 = 0

Using the quadratic formula solve the equation

That's

<h3>x =  \frac{ - b\pm \sqrt{ {b}^{2} - 4ac } }{2a}</h3>

From the question

a = 1 , b = - 10 , c = - 10

Substitute the values into the above formula and solve

That's

x =  \frac{ -  - 10\pm \sqrt{( { - 10})^{2} - 4(1)( - 10) } }{2(1)}  \\  =  \frac{10\pm \sqrt{100 + 40} }{2}  \\  =  \frac{10\pm \sqrt{140} }{2}  \\  =  \frac{10\pm2 \sqrt{35} }{2}  \\  =  \frac{10}{2} \pm \frac{2 \sqrt{35} }{2}  \\  = 5\pm \sqrt{35}

We have the final answer as

<h3>x = 5  +  \sqrt{35}  \:  \:  \:or \:  \:  \: x = 5 -  \sqrt{35}  \\</h3>

Hope this helps you

7 0
2 years ago
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