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kondaur [170]
4 years ago
10

How do I find the arc made by a given angle and major arc for a certain part of circle and how are they different?

Mathematics
1 answer:
djyliett [7]4 years ago
8 0
The arc length = radius * central angle (in radians)

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In a 30-60-90 triangle, the length of the side opposite the 30 degree angle is 8. Find the length of the side opposite the 60 de
nalin [4]

Answer:

The length of the side opposite the 60 degree angle 'c' = 4

Step-by-step explanation:

<u>Step(i)</u>:-

Given data ∠A = 90° , ∠B = 60° and ∠C = 30°

Given data the length of the side opposite the 30 degree angle is 8

let  'a' = 8

<u><em>step(ii)</em></u>:-

<em>By using sine rule formula in properties of triangle</em>

<em></em>\frac{a}{Sin A} = \frac{b}{Sin B} = \frac{c}{Sin C} = 2 R<em></em>

<em></em>\frac{a}{Sin A}  = \frac{c}{Sin C}<em></em>

\frac{8}{Sin 90}  = \frac{c}{Sin 30}

cross multiplication , we get

\frac{8 X sin 30}{Sin 90}  = c<em></em>

<em>we know that trigonometry formulas</em>

<em>sin 30° = </em>\frac{1}{2}<em>   and sin 90°= 1</em>

<em>C =  8 X 1/2 = 4</em>

<u><em>conclusion</em></u>:-

<em>The length of the side opposite the 60 degree angle 'c' = 4</em>

<em></em>

3 0
3 years ago
-1x= -8-2x<br><br> what is x <br> pls i need help
UkoKoshka [18]

Answer:

x = -8

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

-1x = -8 - 2x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Simplify:                                 -x = -8 - 2x
  2. Add 2x on both sides:          x = -8

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                         -1(-8) = -8 - 2(-8)
  2. Multiply:                             8 = -8 + 16
  3. Add:                                   8 = 8
3 0
3 years ago
Read 2 more answers
Fresh cranberries have 99% of water. Partially dried cranberries have 98% of water. Jack picked 100 lbs of cranberries. How much
Natasha_Volkova [10]
Okay, all you need to do it turn the 1% markdown of water into a percentage and multiply it my 100 lbs. 

1% into a decimal is equal to 0.01 

100* 0.01= 1

100-1=99

The cranberries will weigh 99 pounds after drying.

I hope this helped you!

Brainiest answer is always appreciated!
5 0
4 years ago
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What is the value of this expression when c = 3 and d = 7? 15+c2⋅d−c3
jonny [76]

Answer:

The answer to the equation is 48.

4 0
3 years ago
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What's the LCD of 7/3
earnstyle [38]
The LCD is 1 because 7 nor 3 have any factors

3 0
3 years ago
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