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gladu [14]
3 years ago
11

HURRYYY!!

Mathematics
2 answers:
MrMuchimi3 years ago
3 0

Answer:

The middle one

Step-by-step explanation:

lesya692 [45]3 years ago
3 0
7.31 x 10-2
is scientific notation
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I NEED HELP ASAP
SVEN [57.7K]

Alright, lets get started.

If the polygon measures 45 degree exterior angle and we are asked to find number of sides, there is a formula for that.

\frac{360}{n} = value of exterior angle

Where n is number of sides of ploygon

\frac{360}{n}  = 45

Multiplying n into both sides

\frac{360}{n} * n = 45 n

360 = 45 n

Now divide 45 in both sides

\frac{360}{45}  = \frac{45n}{n}  = n = 8

n = 8

Means number of sides of polygon is 8, hence its Octagon. Answer

Now we have given 45 exterior angle hence interior angle would be

180 - 45 = 135°

So, sum of all interior angles would be = number of sides * interior angle

sum of all interior angles would be = 8 * 135 = 1080

Hence sum of all interior angles would be 1080°. Answer

Hope it will help :)

7 0
3 years ago
A piece of wire 23 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral tria
MArishka [77]
The square is 12 m long and the triangle is 11 m long
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fgiga [73]
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A parallel set of lines are two lines that do not touch one another, but are on the same plane and are equidistant forever. Think about two highways that run next to each other but never touch or cross. CF, therefore, could be parallel to BE, AH, and DG.
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3 years ago
Express the area of the entire rectangle. Your answer should be a polynomial in standard form.
weeeeeb [17]

Answer: A=x²+6x+8

Step-by-step explanation:

Since we are looking to find the area of the entire rectangle, we would use the formula A=lw. l is length and w is width. You would approach this problem like any other area of the rectangle problem, except you are dealing with polynomials instead.

A=(x+2)(x+4)

A=x^2+4x+2x+8

A=x^2+6x+8

8 0
3 years ago
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