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Alex73 [517]
3 years ago
8

What is the sum of the exterior angles of a convex polygon?

Mathematics
1 answer:
Volgvan3 years ago
8 0

Answer:

A

Step-by-step explanation:

The sum of the exterior angles for each polygon is always 360°.

The sum of the interior angles for each polygon is always 180°(n-2).

If you have n-sided convex polygon, then

\left(\text{Sum of all interior angles}\right)+ \left(\text{ Sum of all exterior angles}\right)=180^{\circ}\cdot n

So,

\left(\text{Sum of all interior angles}\right)+ 180^{\circ}\cdot (n-2)=180^{\circ}\cdot n\\ \\\left(\text{Sum of all interior angles}\right)=180^{\circ}\cdot n-180^{\circ}\cdot (n-2)=180^{\circ}\cdot (n-n+2)=360^{\circ}

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ivann1987 [24]
The solution for this problem is:
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5 0
4 years ago
A 12 ft ladder is leaning against a wall with an angle of elevation of 31.2 degrees. How high up the wall will the ladder reach?
Tom [10]

Answer:

12/sin90'=b/sin67'

12sin67'=bsin90'

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Step-by-step explanation:

sister ,we can use the law of sines. since we have the angle of elevation and assume the wall makes a right  angle with the ground, our angle opposite the ground is 180-[90+23=67

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8 0
3 years ago
In a completely randomized design involving three treatments, the following information is provided:Treatment 1Treatment 2Treatm
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Answer:

7.25

Step-by-step explanation:

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Overall mean = (20 + 80 + 45) / 20

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= 7.25

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3 years ago
Mount McKinley, the highest mountain in North
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20320-(-280)

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Step-by-step explanation:

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