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Ray Of Light [21]
3 years ago
15

If each interior angle of a regular polygon measures 144º, how many sides does it have?

Mathematics
2 answers:
zalisa [80]3 years ago
8 0

Answer:

10 sides

Step-by-step explanation:

Since each interior angle measures 144

We say 180 -144 = 36

so inorder to find the number of sides

=360/36

=10(number of sides)

12345 [234]3 years ago
5 0

Answer:

Brainliest!

Step-by-step explanation:

Since the interior angle is 144 degree, each exterior angle is 180 - 144 = 36 degrees

number of sides = 360/36 = 10

The polygon is decagon with 10 sides

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Help with Area of a sector
Maurinko [17]
Area 1 = 175.84
area 2 = 156.30

area 1: A=(pi)r^2 x 140/360
in this case we would use the degree of the entire circle and the degree of the sector since it is not given.

area 2: A=(pi)r^2 x 280/360
in this case we would use the degree of the entire circle and the degree of the sector since it is not given.
8 0
2 years ago
Hallar el valor de ab datos: bc= 4,5 cm de= 2cm ef= 3 cm
kakasveta [241]

The measure of ab and df are 3cm and 7.5cm respectively

<h3 /><h3>Similarity theorem of shapes</h3>

In order to determine the missing sides, we need to take the ratio of the similar sides as shown:

1) ab/de = ac/df

ab/de = ab+bc/df

Substitute the given values

ab/2 = ab+4.5/2+3

ab/2 = ab+4.5/5

2(ab+4.5) = 5ab
2ab+9=5ab

3ab = 9

ab = 3cm

Hence the measure of ab is 3cm

2) ae/ce = bf/df

24/9 = 20/df

24df =. 9(20)

24df = 180

df = 7.5cm

Hence the measure of ab and df are 3cm and 7.5cm respectively

Learn more on similar shapes here: brainly.com/question/11920446

#SPJ1

3 0
1 year ago
What is the volume of the cylinder shown below?
Fofino [41]
The volume:
Pi x r^2 x h

V = pi x 12^2 x 7
V = 1008pi units^3 
The answer would be a
hope it helps. 
5 0
3 years ago
Read 2 more answers
Write the complex number in the form a + bi.
bonufazy [111]

Answer:

\frac{3}{2} + \frac{3\sqrt{3} }{2} i

Step-by-step explanation:

Using the exact value

cos60° = \frac{1}{2} and sin60° = \frac{\sqrt{3} }{2}, then

3(cos60° + isin60°)

= 3( \frac{1}{2} + \frac{\sqrt{3} }{2} i) ← distribute by 3

= \frac{3}{2} + \frac{3\sqrt{3} }{2} i ← in the form a + bi

7 0
3 years ago
Grady drove 34 miles to his grandmas house. Next he drove 48 miles to visit his uncle. The trip took 90 minutes. If he drove at
Alona [7]

Answer:

55 mph

Step-by-step explanation:

speed = 54.6667 miles per hour

approximately 55 miles per hour

hope this helps! :D

have a miraculous day!! <3

*plus, your stick student's dinner is pizza!! :D*

5 0
2 years ago
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