All categories

3 years ago

Whats the area?Answer this ASAP plz

Mathematics

2 answers:

exis [7]3 years ago

8 0

Answer:

50.24 cm

Step-by-step explanation:

Radius and Diameter:

r = d/2

d = 2r

Area of a circle:

A = πr2 = πd2/4

Circumference of a circle:

C = 2πr = πd

Circle Calculations:

Using the formulas above and additional formulas you can calculate properties of a given circle for any given variable.

Calculate A, C and d | Given r

Given the radius of a circle calculate the area, circumference and diameter. Putting A, C and d in terms of r the equations are:

A=πr2

C=2πr

d=2r

Calculate r, C and d | Given A

Given the area of a circle calculate the radius, circumference and diameter. Putting r, C and d in terms of A the equations are:

r=Aπ−−√

C=2πr=2πAπ−−√

d=2r=2Aπ−−√

Calculate A, r and d | Given C

Given the circumference of a circle calculate the radius, area and diameter. Putting A, r and d in terms of C the equations are:

r=C2π

A=πr2=π(C2π)2=πC24π2=C24π

d=2r=2C2π=Cπ

Calculate A, C and r | Given d

Given the diameter of a circle calculate the radius, area and circumference. Putting A, C and r in terms of d the equations are:

r=d2

A=πr2=π(d2)2=πd24

C=2πr=2πd2=πd

DochEvi [55]3 years ago

7 0

Answer:

that is the solution to the question

You might be interested in

How much will it cost for the family of four

antiseptic1488 [7]

Do you have the rest of the question?

6 0

3 years ago

Find the measure of each angle

Svetach [21]

Answer:

4x=80 and 5x=100

Step-by-step explanation:

4x+5x=180

9x=180

1/9 (9x)=1/9 (180)

x=20

4(20)=80

5(20)=100

4 0

3 years ago

Read 2 more answers

How do these numbers compare? Drag the correct comparison symbol to the box. 2.75 2.6

Natalka [10]

<h2>COMPARE</h2>

<h2> $\\ \sf \: 2.75 \: \: \: \green{\boxed{\tt{{ > }}}} \: \: \: 2.6 \\$ </h2>

The correct sign for the two given digits compared is greater than. 2.75 is greater than 2.6.

8 0

3 years ago

Read 2 more answers

Multiply and give the answer in scientific notation:

kakasveta [241]

Step-by-step explanation:

given

$(1.5 \times {10}^{4} )(8 \times {10}^{8} )$

in order to make multiplication easier we need to change the 1.5 into a whole number form.

thus

$(15 \times {10}^{ - 1} \times {10}^{4} )(8 \times {10}^{8} )$

$= (15 \times {10}^{4 - 1} )(8 \times {10}^{8} )$

First law of indices applied there

=(15×10^3)(8×10^8)

=(15×8)(10^3×10^8)

=120×10^3+8 ( first law of indices, which states that , numbers of the same base multiplying each other, take one of the base and add the exponent. and clearly both 15 and 8 are in base 10

=120×10^11

=1.20×10^2 ×10^11

=1.20×10^11+2

=1.20×10^13

so the answer is alt B

7 0

3 years ago

The line for which equation has negative slope?

zhenek [66]

Answer:

Step-by-step explanation:

To have a negative slope, m has to be negative. Any negative slope would show up as a negative coefficient in front of x.

3 0

3 years ago