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3 years ago

HOW DO YOU FIND THE ARC OF A CIRCLE????

Mathematics

1 answer:

padilas [110]3 years ago

6 0

Answer:

1. Multiply the area by 2 and divide the result by the central angle in radians.

2. Find the square root of this division.

3. Multiply this root by the central angle again to get the arc length.

Step-by-step explanation:

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Jenny says the two expressions 7a – 4 + 3a - 6 and 4a – 10 are<br> equivalent? Is she correct?

zavuch27 [327]

Answer:

no she is wrong

Step-by-step explanation:

7a-4+3a-6= 10a-10 therefore they are not equal

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3 years ago

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What does x2+11x+18 equal

OLEGan [10]

Answer:

x =(11-√193)/2=-1.446

x =(11+√193)/2=12.446

Step-by-step explanation:

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3 years ago

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Normally a new cell phone costs $500 you only have 450 to spend what happened what percent do you need the phone to be discounte

alina1380 [7]

450/500 how much you have to how much it costs
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3 years ago

Csc A - sin A = <br><br> A. (cos^2A) / (sinA)<br> B. (1 - sinA) / (sinA) <br> C. (1 - sinA) / (cosA)

julsineya [31]

Answer:

A) $\frac{cos^2A}{sinA}$

Step-by-step explanation:

$cscA-sinA\\\\\frac{1}{sinA}-sinA\\ \\\frac{1}{sinA}-\frac{sin^2A}{sinA}\\ \\ \frac{1-sin^2A}{sinA}\\ \\\frac{cos^2A}{sinA}$

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3 years ago

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What is the area of the composite figure

kati45 [8]

To solve this we will divide the given composite figure into three figures. The three figures will be 2 squares and 1 rectangle. Let's find their areas and add them!

$\boxed{ \sf \: area \: of \: square =side ^{2} }$

Side 3 metre

$\rm \implies \: area = 3 ^{2}$

$\rm \implies9$

<em>Thus, The area of 1st square is 9m²...</em>

The area of second square will be also 9m², because the sides of both squares are equal.

<h3>Now area of the reactangle⤵️</h3>

Length = 6m
Breadth = 7+3=10m

$\sf \: area \: of \: rectangle = length \times breadtg$

$\tt \dashrightarrow \: area = 10 \times 3$

$\tt \dashrightarrow \: area = 30m ^{2}$

<em>Thus, The area of rectangle is 30m²....</em>

Now, Add area of all the figures to get the total area.

$\bf \:total \: area = 9 + 9 + 30 \\ \bf= 48m {}^{2}$

<h3><em>Therefore, The total area of the composite figure is 48m²...~</em></h3>

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2 years ago