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sveta [45]
2 years ago
11

Interior and Exterior of Triangles

Mathematics
2 answers:
Vika [28.1K]2 years ago
5 0
Top

You say 56+x+50+82=180
Then you add 56 Nd x
Then you add 50 Nd 82
And that would 132
So you say 56x+132=180
Then you bring your railroad tracks
Subtract 132 on both sides
And that would be 48
Bring your 56x down
Then you divide 56 on both sides
And that would be 1.16
vodomira [7]2 years ago
4 0

Answer:

the top one is -8 and the bottom is 11

Step-by-step explanation:

please mark brainliest :))

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The amount of rim needed for each window is 141.4 in

<h3>How to find the length of the outer rim?</h3>

Since the outer rim is the length of an arc, we use the formula for length of an arc of a circle.

<h3>What is an arc?</h3>

An arc is part of section of the circumference of a circle

<h3>What is the length of an arc?</h3>

So, length of arc, L = Ф/360 × 2πR where

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Gven that for the window rim

  • Ф = angle of the rim = 270° and
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Substituting the values of the variables into the equation for L, we have

L = Ф/360 × 2πR

L = 270°/360° × 2π × 30 in

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L = 3/2 × π × 30 in

L = 3 × π × 15 in

L = 45π in

L = 141.37 in

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So, the amount of rim needed for each window is 141.4 in

Learn more about length of an arc here:

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