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madam [21]
3 years ago
13

Explain how a triangle is a special kind of polygon

Mathematics
1 answer:
tigry1 [53]3 years ago
5 0
Polygon is a plane figure that is bounded by a finite chain of straight line segments called edges or sides, that are closing in a loop to form a closed polygon chain or circuit. A triangle is the simplest polygon that has three sides and three angles. They are special because they are the only polygons with minimum number of sides. The sum of angles in a triangle is equal to 180 degrees.
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Find the Equation of the Parallel Line
sasho [114]

Answer:

y = -5x - 1

Step-by-step explanation:

Let the equation of a line parallel to the given line is,

y - y' = m(x - x')

Where m = slope of the line

And line passes through (x', y')

Equation of a line has been given as,

5x + y = 4

y = -5x + 4

Slope of this line = -5

By the property of parallel lines "slope of the parallel lines are same",

m = -5

Parallel line passing through (-1, 4) and slope 'm' = -5 will be,

y - 4 = -5(x + 1)

y - 4 = -5x - 5

y = -5x - 5 + 4

y = -5x - 1

Therefore, equation of the parallel line will be,

y = -5x - 1  

5 0
3 years ago
A rectangular patio has a length of 12 1/2 feet and an area of 108 1/8 square feet what is the width of the patio
Ivenika [448]

Length of the rectangular patio = 12\frac{1}{2}=\frac{25}{2}

Let the width of the patio be = x

Area of the patio is given as = 108\frac{1}{8}=\frac{865}{8}

As the area of a rectangle is = length*width, so

\frac{865}{8}=(\frac{25}{2})x

\frac{865}{8}*\frac{2}{25}=x

x= \frac{1730}{200} = \frac{173}{20}

x = 8\frac{13}{20}

Hence, width of the patio is 8\frac{13}{20} feet.

7 0
4 years ago
CAN ANYONE PLEASE (WHO IS AN EXPERT AT MATHEMATICS) HELP ME WITH THIS.
NikAS [45]

Answer:

5 units were bought

Step-by-step explanation:

Firstly, let us calculate the total amount paid

If what was paid was $9.45, this cost includes the price of the coupon subtracted

Returning the coupon price, we have the total as;

9.45 + 0.5 = $9.95

So to get the number bought, we divide this total by the price for one

We have this as;

9.95/1.99 = 5

4 0
3 years ago
Read 2 more answers
PLEASE HELP ME GIVING BRAINLY
Bingel [31]

Answer:

Step-by-step explanation:

The terminal arm is either in quad 1 or quad 3

8 0
3 years ago
Directions: Answer true or false. If false, provide a counterexample.
Arisa [49]

Natural numbers are closed under division: false.

A set is closed under a certain operation if the results of that operation are always inside that set.

So, if natural numbers were closed under division, the division of two natural numbers would always be a natural number.

You have plenty of counterexamples, to pick one you may divide any odd number by 2: 5/2 is not a natural number.

Negative numbers are closed under addition: true.

Let m,n be two positive numbers. So, -m,-n are two negative numbers. Their sum is

(-m)+(-n)=-(m+n)

And since m+n is positive, we deduce that -(m+n) is negative, so the sum of two negative numbers is still negative.

Prime numbers are closed under subtraction: false.

This would mean that the subtraction of two primes is also a prime. Again, there are many counterexamples: 7 is prime and so is 3, but their difference 7-3 is 4, which is not prime.

7 0
3 years ago
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