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myrzilka [38]
3 years ago
7

The sector of a circle with a 12 inches radius has a central angle measure of 60°.

Mathematics
2 answers:
ycow [4]3 years ago
8 0
60(pi/180)=pi/3
.5(12^2)(pi/3)
72(pi/3)
24pi
olasank [31]3 years ago
6 0

Answer: 24\pi\text{inches}^2

Step-by-step explanation:

The area of sector with central angle 'x' ( in degrees) and radius 'r' is given by :-

\text{Area of sector}=\dfrac{x}{360}\times\pi r^2

Then the area of sector with central angle 60^{\circ} and radius 12 inches is given by :-

\text{Area of sector}=\dfrac{60}{360}\times\pi (12)^2\\\\\Rightarrow \text{Area of sector}=24\pi\text{inches}^2

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The triangles below are similar. Which similarity statements describe the relationship between the two triangles? Check all that
Gekata [30.6K]

<u>Complete Question</u>

In triangle ABC: AC=10 , AB=5., Angle C = 30 degrees.  

In Triangle DEF: ED= 7.5 , DF=15, Angle F =30 degrees , Angle E = 90 degrees.  

Answer:

A, D and E

Step-by-step explanation:

The diagram is drawn and attached below.

  • Triangle ABC is similar to Triangle DEF. (Option E)

Writing it backwards:

  • Triangle CBA is similar to Triangle FED. (Option A)

Also,

  • Triangle BAC is similar to EDF. (Option D).

Therefore, A, D and E are the similarity statements that describe the relationship between the two triangles.

5 0
3 years ago
What is the rate of change: y=x+5
const2013 [10]

Answer:

x or 1x.

Step-by-step explanation:

The rate of change is slope.

Slope=m

y=mx+b

y=<u>x</u>+5

x is the same thing as 1x. So...

4 0
2 years ago
A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of
trapecia [35]

Answer:

3in up per foot across

Step-by-step explanation:

4ft across 12in height

6ft across 18in height

So for every 2ft it goes up 6” which is a ratio of 1ft:3in so the answer to the rate of change is 3in up per 1ft across

4 0
3 years ago
PLS HELP ME ASAP FOR 17!! (MUST SHOW WORK!!/ STEPS!!) +LOTS OF POINTS!! *brainliest*
azamat
You must distribute first.
8 times (3x-2)= 24x-16
2 times (12x-5.5)= 24x-11
What you have left is
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24x-24x=0
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The answer is -5
8 0
3 years ago
Find the area of the shape.
kaheart [24]

Answer:

36*sqrt(3)

Step-by-step explanation:

Remark

Use the Pythagorean theory to find the height. Use that height to find the area of the rectangle and the triangle Or

You can find the area of the trapezoid which requires only 1 step after you find the height.

Height

c = 8

b = 4

a = ?

a^2 + b^2  =  c^2

a^2 + 4^2 = 8^2

a^2 + 16 = 64

a^2 = 64 - 16

a^2 =  48

a^2 =  16 * 3

sqrt(a^2) = sqrt(16*3)

a = 4 * sqrt(3)

That's the height

Trapezoid

b1 = 7

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h = 4*sqrt(3)

Area = (b1 + b2)*h / 2

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Area = 18 * 2 sqrt(3)

Area = 36* sqrt(3)

6 0
3 years ago
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