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defon
3 years ago
5

What is the sum of the measures of the exterior angles of a nonagon?

Mathematics
2 answers:
olchik [2.2K]3 years ago
5 0

For this case we have by definition, that the sum of the exterior angles of a polygon is equal to 360 degrees, only when considering only one exterior angle for each vertex of the polygon, regardless of the number of sides it possesses. That said we have to:

The external angle of a regular polygon is given by:

\frac {360} {n}

Where:

n: It is the number of sides of the polygon

Then, for a nonagon each exterior angle will measure:

\frac {360} {9} = 40 degrees

Answer:

40 degrees each exterior angle

360 degrees the sum

belka [17]3 years ago
3 0

Answer:

360 degrees

Step-by-step explanation:

each angle is 40 degrees, sum of all of them is 360

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Can someone help me
worty [1.4K]

Answer:

B = 129

Step-by-step explanation:

Opposite angles of a parallelogram are equal (or congruent)

A and C are both 51.

All angles in a parallelogram equal 360

Take both the known angles and substract from 360, than divide by 2.

B = (360 - 51 - 51)/2

B = 129

7 0
3 years ago
Es of two children are 11 and 8 years.
nikdorinn [45]

Answer:

<em>In 5 years the product of their ages will be 208</em>

Step-by-step explanation:

The age of two children is 11 and 8 years.

Let's call x the number of years ahead.

We need to find when the product of their future ages is 208. The 11 years old child will be 11+x years old and the other child will be 8+x years, thus:

(11+x)(8+x)=208

Operating:

88+11x+8x+x^2=208

Simplifying:

x^2+19x-120=0

Factoring:

(x-5)(x+24)=0

Solving:

x=5, x=-24

The negative solution is not valid, thus x=5

In 5 years the product of their ages will be 208

3 0
3 years ago
I need help im struggling​
Vladimir79 [104]

Answer:

62.80

Step-by-step explanation:

I hope this helped you out!!

7 0
3 years ago
Read 2 more answers
Which set of sides would make a right angle ?
Tju [1.3M]

Answer:

It's A 5 12 & 13 make a right angle

8 0
2 years ago
Which number is equivalent to?
statuscvo [17]
So, we have 2^3/3^3
= 2^3/3^3 = 2 times 2 times 2/3 times 3 times 3
= 8/27
So, in conclusion, the final answer is 8/27 so, you should go with D 100%!
3 0
3 years ago
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