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3 years ago

a city sets up 14 rows of chairs for an outdoor concert. Each row has 2 more chairs then the row in front of it.

Mathematics

1 answer:

ser-zykov [4K]3 years ago

5 0

14+2 is 16 for example
Just add 2 until you get to the number of rows you need if you need more help just ask

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Need help with these two question!!??

lawyer [7]

The measure of x in both parts is: 120°

Step-by-step explanation:

Part A:

We can clearly see that the figure in part a has six equal sides. So the given figure is a hexagon.

A hexagon has six equal sides in six equal interior angles.

Sum of interior angles of hexagon is 720°

So,

$Measure\ of\ one\ agnle=\frac{Sum\ of\ interior\ angles}{number\ of\ angles}\\=\frac{720}{6}\\=120$

Part B:

The figure is a Dodecagon with 12 sides.

The Dodecagon has 12 equal sides and angles.

The sum of internal angles of Dodecagon is 1440°

So,

$Measure\ of\ one\ angle=\frac{Sum\ of\ angles}{Number\ of\ angles}\\=\frac{1440}{12}\\=120$

The measure of x in both parts is: 120°

Keywords: Polygons, Hexagon

Learn more about polygons at:

#LearnwithBrainly

6 0

3 years ago

Evaluate 6 over 3 plus 7 times 4

ehidna [41]

the answer is B. 244

5 0

3 years ago

Solve 3(x - 2) < 18.

DiKsa [7]

Answer:

simple , isn't it? try to learn

8 0

3 years ago

Read 2 more answers

A fish swims at 10 ft below sea level , and then swims another 10 ft deeper to avoid a shark. Write an addition expression that

sergij07 [2.7K]

Answer:

0+(-10+-10) i don't know if this is what you need..sry if it's not

Step-by-step explanation:

3 0

3 years ago

I need with number 16

Arturiano [62]

Answer:

Ben will carry 63/8 or 7.9 of recycling.

Step-by-step explanation:

14 + 10 1/2 + 16 1/4 = 163/4 - 25 = 63/4 ÷ 2 = 63/8 or 7.9

Hope that helps :)

4 0

3 years ago