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3 years ago

The area of the polygon is 27 mi2. What is the formula that shows the length of side a?

Mathematics

2 answers:

Maru [420]3 years ago

8 0

Answer:

a.a.3=27

Step-by-step explanation:

i got my answer wrong to see it

Zigmanuir [339]3 years ago

6 0

Answer:

n = 5

Step-by-step explanation:

Answer: and agenda:

n = 5

a = 3.96148 m

r = 2.72625 m

R = 3.36984 m

A = 27 m^2

P = 19.8074 m

x = 108 °

y = 72 °

_________________________________

where as r = inradius (apothem)

R = circumradius

a = side length

n = number of sides

x = interior angle

y = exterior angle

A = area

P = perimeter

π = pi = 3.14159...

√ = square root

Side Length a

a = 2r tan(π/n) = 2R sin(π/n)

Inradius r

r = (1/2)a cot(π/n) = R cos(π/n)

Circumradius R

R = (1/2) a csc(π/n) = r sec(π/n)

Area A

A = (1/4)na^2 cot(π/n) = nr^2 tan(π/n)

Perimeter P

P = na

Interior Angle x

x = ((n-2)π / n) radians = (((n-2)/n) x 180° ) degrees

Exterior Angle y

y = (2π / n) radians = (360° / n) degrees

polygon interior and exterior angles

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Natasha2012 [34]

Answer:

$C = (\frac{21}{5},\frac{33}{5})$

Step-by-step explanation:

Given

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Ratio = 2/3

Required

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Represent the ratio as ratio

$Ratio = 2:3$

The new coordinate can be calculated using

$C = (\frac{mx_2 + nx_1}{n + m},\frac{my_2 + ny_1}{n + m})$

Where

$(x_1,y_1) = (1, 9)$

$(x_2, y_2) = (9, 3)$

$m:n = 2:3$

Substitute these values in the equation above

$C = (\frac{2 * 9 + 3 * 1}{3 + 2},\frac{2 * 3 + 3 * 9}{2 + 3})$

$C = (\frac{18 + 3}{5},\frac{6 + 27}{5})$

$C = (\frac{21}{5},\frac{33}{5})$

Hence;

The coordinates of the new center is $C = (\frac{21}{5},\frac{33}{5})$

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Answer:

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0.000000205

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Answer:

Step-by-step explanation:

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