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Pepsi [2]
3 years ago
10

4. What is the measure of each interior angle of a regular 28-gon?

Mathematics
1 answer:
melomori [17]3 years ago
8 0

Step-by-step explanation:

Measure of each interior angle of 28 sided polygon

\frac{(28 - 2) \times 180 \degree}{28}  \\   \\  =  \frac{26 \times 180 \degree  }{28}  \\  \\ =  \frac{4680 \degree  }{28}  \\  \\  = 167.14\degree \\

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A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (–3, 1), (1, 1), and (1, –2). What
vladimir2022 [97]

Answer:

The perimeter of the triangle is 12\ units

Step-by-step explanation:

Let

A(-3,1),B(1,1),C(1,-2)

we know that

The perimeter of triangle is equal to

P=AB+BC+AC

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

step 1

Find the distance AB

A(-3,1),B(1,1)

substitute in the formula

AB=\sqrt{(1-1)^{2}+(1+3)^{2}}

AB=\sqrt{(0)^{2}+(4)^{2}}

AB=4\ units

step 2

Find the distance BC

B(1,1),C(1,-2)

substitute in the formula

BC=\sqrt{(-2-1)^{2}+(1-1)^{2}}

BC=\sqrt{(-3)^{2}+(0)^{2}}

BC=3\ units

step 3

Find the distance AC

A(-3,1),C(1,-2)

substitute in the formula

AC=\sqrt{(-2-1)^{2}+(1+3)^{2}}

AC=\sqrt{(-3)^{2}+(4)^{2}}

AC=5\ units

step 4

Find the perimeter

P=AB+BC+AC

substitute the values

P=4+3+5=12\ units

6 0
3 years ago
7/2x + 1/2x = 7 + 9/2x
lesya [120]

Answer: x=-14

Step-by-step explanation:

5 0
1 year ago
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Vanyuwa [196]

Answer:

y = 65x

Step-by-step explanation:

5 0
3 years ago
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How do you factor polynomials​
Daniel [21]

Step-by-step explanation:

<em>How do you factor a polynomial? </em>

<em>follow these steps: </em>

<em>1.Check for the GCF first. ... </em>

<em>2.Multiply the quadratic term and the constant term. ... </em>

<em>3.Write down all the factors of the result, in pairs. ... </em>

<em>4.From this list, find the pair that adds to produce the coefficient of the linear term.</em>

7 0
3 years ago
Read 2 more answers
If road A and C are parallel and road D is 2000 feet, Road c has a section 650 feet long how long is the rest of it
Sophie [7]
I think,
Road C equals 650, because road A is parallel it must equal the same.
So, 650 + 650 = 1,300
We already know that Road D equals 2,000, add it all up.
1,300 + 2,000 = 3,300
Hope this helped :)
4 0
3 years ago
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