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9966 [12]
3 years ago
9

Find the area of the circle

Mathematics
1 answer:
melomori [17]3 years ago
8 0
<h2>Area of a circle</h2>

To find the area of a circle using the formula \tt A=\pi r^2 or \tt A=\pi\times r \times r to get the answer.

  • \tt A=\pi r^2
  • \tt A=3.14\times 8in^2
  • \tt A=3.14\times 64in
  • \tt A={200.96in^2}

Therefore, the area of a circle is 200.96in²

<h3>#CarryOnLearning</h3>
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Rick was given a 15% tip waiting on a table of customers who ordered $60.00 in food and drinks. How much did Rick earn in tips f
vfiekz [6]

Answer:

hi

Step-by-step explanation:

4 0
3 years ago
Find the measure of the indicated arcs or central angles in OA. DG is a diameter.
lara31 [8.8K]

Answer:

Arc DE = 90°

m<GAB = 82°

Arc DC = 49°

Step-by-step explanation:

Given:

m<EAF = 74°

m<EAD = right angle = 90°

Arc BG = 82°

Required:

Arc DE,

<GAB, and

Arc DC

Solution:

Recall that the central angle measure = the intercepted arc measure.

Therefore:

✔️Arc DE = m<EAD

Arc DE = 90° (Substitution)

✔️m<GAB = arc BG

m<GAB = 82° (Substitution)

✔️Arc DC = m<CAD

Find m<CAD

m<CAD = ½(180 - m<GAB)

m<CAD = ½(180 - 82)

m<CAD = 49°

Arc DC = m<CAD

Arc DC = 49°

6 0
2 years ago
On a normally distributed anxiety test with mean 48 and standard deviation 4, approximately what anxiety test score would put so
lbvjy [14]

Answer:

54.56

Step-by-step explanation:

Given:

Mean, u = 48

Standard deviation, \sigma = 4

Test score = 5%

Required:

Find the raw score, X.

Having a test score of 5% means the Zscore has to correspond to 95%, ie, 1 - 0.05 = 0.95.

Thus, Z_0_._9_5 = 1.64

To get X, use the formula:

mu + z * \sigma

= 48 + (4 * 1.64)

= 48 + 6.56

= 54.56

The anxiety test score that would put someone in the top 5% is 54.56

5 0
3 years ago
The incenter of a triangle is formed by the intersection of the of a triangle
andre [41]

Answer:

angle bisectors

Step-by-step explanation:

The incentre is where a triangle's three angle bisectors intersect ( an angle bisector is a ray that cuts an angle in half ). The incentre is the centre of a triangle drawn inside the triangle.

6 0
3 years ago
If 83 : 45 :: 72 : ? solve and find the answer​
olga55 [171]

Answer: x=\dfrac{3240}{83}

Step-by-step explanation:

Given: 83 : 45 :: 72 : ?

Let unknown quantity (?) be x.

Now, x : y :: a : b

\Rightarrow\ \dfrac{x}{y}=\dfrac{a}{b}

83 : 45 :: 72 : x

\Rightarrow\ \dfrac{83}{45}=\dfrac{72}{x}\\\\\Rightarrow\ x=\dfrac{72}{83}\times45\\\\\Rightarrow\ x=\dfrac{3240}{83}

Hence, x=\dfrac{3240}{83}

7 0
3 years ago
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