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hram777 [196]
2 years ago
8

The triangle below is a scalene triangle which statement is true?

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
6 0

The answer is the 3rd one

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Es The measure of an interior angle of a regular polygon is 120°. What is the measurb of each exterior angle? The polygon has
Troyanec [42]

The measure of each exterior angle is 60° and the polygon has 6 sides ⇒ 4th answer

Step-by-step explanation:

In a regular n-side polygon:

  • All sides are equal in lengths
  • All angles are equal in measure
  • The measure of each interior angle = \frac{(n-2)*180}{n}
  • The measure of each exterior angle = \frac{360}{n}
  • The sum of interior angle and exterior angle at a vertex is 180°

∵ The measure of an interior angle of a regular polygon is 120°

∵ The sum of interior angle and exterior angle at a vertex = 180°

∴ The measure of each exterior angle = 180 - 120

∴ The measure of each exterior angle = 60°

∵ The measure of each exterior angle = \frac{360}{n}

- Substitute the measure of the exterior angle by 60

∴ 60=\frac{360}{n}

- By using cross multiplication

∴ 60 n = 360

- Divide both sides by 60

∴ n = 6

∴ The polygon has 6 sides

The measure of each exterior angle is 60° and the polygon has 6 sides

Learn more:

You can learn more about polygons in brainly.com/question/6281564

#LearnwithBrainly

5 0
3 years ago
Please help! I need to figure out how to do this
Nadusha1986 [10]
This is simple, what is the total degree of a triangle? 180
so add up 70 + 30 is 100, the answer to x is 80
7 0
3 years ago
Quick answers?please for more points and brainliest
nalin [4]
1. John can create 5 paintings per week. 

2. Sasha can walk 30 minutes per mile. 

3. Todd takes 24 minutes per room he cleans. 

4. Victoria takes half of one day per necklace she makes. 

5. Byron can make 12 cakes per day. 

6.  Charlie paid $130 for each table. 
5 0
3 years ago
The scale drawing of a building has a width of 4 inches and a height of 8 inches. If the width of the actual building is 32 feet
kirill115 [55]
Hello!

First you have to find the scale

32 / 4 = 8

To get the actual building you multiply the scale building by 8 and change the units to feet

8 * 8 = 64ft

The answer is 64ft

Hope this helps!
6 0
3 years ago
9) Fred is buying roses. The roses cost $1.68 each. How many roses did Fred buy if the bouquet cost
olya-2409 [2.1K]

Answer:

15

Step-by-step explanation:

1.68 divided 25.20 = 15

5 0
3 years ago
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