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Aleksandr [31]
3 years ago
11

Will give brainlistassignment name: solving triangles​

Mathematics
1 answer:
Naddik [55]3 years ago
3 0
I believe it would be three angles and one angle shown!
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Tara is shown a picture of a dart board along with some dimensions. She knows that each triangular section in the dartboard is c
Romashka [77]

Answer:

The approximated length of arc x is 4 inches ⇒ C

Step-by-step explanation:

  • The diameter of the outer circle is 28 inches
  • There is a boundary with width 2 inches

That means the diameter of the inner circle is less than the diameter of the outer circle by 4 inches (2 in from each side)

  • The diameter of the inner circle = 28 - 4 = 24 inches

The circumference of the inner circles formed from 20 congruent arcs of length x inches

  • The circumference of the inner circle = 20 x

Now let us find x

The formula of the circumference of a circle is C = π d, where d is the diameter of the circle

∵ The diameter of the inner circle is 24 inches

∴ d = 24

∴ C = 24 π

∵ C = 20 x

- Equate 20 x by 24 π

∴ 20 x = 24 π

- Divide both sides by 20

∴ x = 3.769911184

- Round it to the nearest unit

∴ x ≅ 4

The approximated length of arc x is 4 inches

4 0
3 years ago
Find the value of X. Round to the nearest tenth HELP ASAP!!!!
never [62]

Answer: 22.5

Step-by-step explanation:

\sin 64^{\circ}=\frac{x}{25}\\\\x=25 \sin 64^{\circ}\\\\x \approx 22.5

4 0
1 year ago
PLEASE SOMEONE HELP ME
Soloha48 [4]

9514 1404 393

Answer:

  a) 5 cm

  b) 8 cm

  c) 9 m

Step-by-step explanation:

It can be worthwhile to work the last attachment (a) first, since these are all variations of the same triangle.

The Pythagorean theorem tells you the sum of the squares of the legs is the square of the hypotenuse.

<u>Problem 6a</u>:

  3² +4² = x² . . . . fill in the given numbers; all measures in cm

  9 + 16 = x² . . . . simplify exponents

  25 = x² . . . . . . . simplify sum

  x = √25 = 5 . . . take the square root.

  x = 5 cm . . . . . . apply units

__

Note that this triangle is a 3-4-5 right triangle. That is a set of side lengths (ratios) that is useful to remember. In this problem set, you see it again immediately.

__

<u>Problem 6b</u>:

Shortest-to-longest, the side ratios of the given triangle are ...

  6 : x : 10

For some x', this is ...

  3 : x' : 5 . . . . . . . . . . . . . matches a 3-4-5 triangle with x' = 4

The scale factor is 6/3 = 10/5 = 2, so we have ...

  x = 2·x' = 2·4 = 8

  x = 8 cm . . . . . with units

__

<u>Problem 6c</u>:

The side ratios are ...

  x : 12 : 15  which reduces to  x' : 4 : 5

This matches a 3-4-5 triangle with x' = 3, and a scale factor of 12/4 = 15/5 = 3.

Then ...

  x = 3·x' = 3·3 = 9

  x = 9 m . . . . . with units

8 0
3 years ago
The table represents a linear function.
OverLord2011 [107]

Answer:

-4

Step-by-step explanation:

Consider (-4, -2) and (-2, -10).

Change in x: 2

Change in y: -8

Slope = (change in y)/(change in x) = -4

3 0
2 years ago
A rectangular prism has a base with an area of 16 centimeters. A box with a volume of 320 cubric centimeters can hold 4 of the r
Dmitry [639]

The height of the rectangular prism is 5 cm

The rectangular prism has a base area of 16 cm².

<h3>Volume of rectangular prism;</h3>
  • V = base area × height

Therefore,

V = 16h

where

h = height of the rectangular prism

Another box has a volume of 320 cm³ and holds 4 of the rectangular prism with no extra space.

Therefore,

4(16h) = 320

64h = 320

divide both sides by 64

64h / 64 = 320 / 64

h = 5

Therefore, the height of the rectangular prism is 5 cm

learn more on rectangular prism here: brainly.com/question/26187572

5 0
2 years ago
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