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kow [346]
4 years ago
15

Find the measure of an exterior angle of a regular decagon

Mathematics
1 answer:
In-s [12.5K]4 years ago
7 0

Answer:

36 degrees

Step-by-step explanation:

An exterior angle of a regular decagon has a measure of 36 degrees. We know this because the total measure of all the angles is 360 and a decagon has 10 sides, so each angle is 360/10 which is 36

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Evaluate the function.<br> Given f(x) = x2 - 4x2 - 3x - 5, find f(5).
Simora [160]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
Is A ABC similar to DEF? Why or why not?
vova2212 [387]

Answer:

Option(D)

Step-by-step explanation:

Given are the two triangles, that are ABC and DEF, in which AB=8ft, DE=6ft, AC=10ft and DF=7.5ft.

For the two triangles to be similar, it must satisfy the similarity condition that is:

Both the triangles must have congruent angles and the sides should be proportional. Since, two sides of the given triangles are not proportional.Moreover, ∠A=25° and ∠D=24° which are not equal and ∠C=60° and ∠F=61° which are also not equal.

Therefore, Not all the angles are congruent, thus the triangles cannot be similar.

6 0
3 years ago
Read 2 more answers
What is 15ft by 18ft times 2in depth converted into yards
NeTakaya

Answer:

5 yd³

Step-by-step explanation:

2 in = 1/6 ft

15 ft  ×  18 ft  ×  1/6 ft = 45 ft³

1 ft³ = 9 yd³

45 ft³/9 = 5 yd³

4 0
3 years ago
Find the common ratio of the geometric sequence: 4,3,9/4
Inessa05 [86]

Answer:

The common ratio is

\frac{3}{4}

Step-by-step explanation:

To find the common ratio in a geometric sequence divide the next term by the previous term

That's

The first term is 3 and the next term is 4

so the common ratio will be

<h2>3/4</h2>

Hope this helps you.

4 0
3 years ago
Find the values of x and y.
Arlecino [84]

Answer:

C

Step-by-step explanation:

2x + 1 = 85 (Alternate Interior Angles Theorem)

2x = 84

<em>x = 42</em>

(3y + 5) + (2x + 1) = 180 (Linear Pair Theorem)

3y + 5 + (85) = 180

3y + 5 = 95

3y = 90

<em>y = 30</em>

7 0
3 years ago
Read 2 more answers
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