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3 years ago

What is the perimeter of a regular octagon if each side is 7 inches. Pls help!

Mathematics

2 answers:

o-na [289]3 years ago

7 0

Answer:

Step-by-step explanation:

since an octagon has 8 sides, you do 7x8 and you get 56.

ser-zykov [4K]3 years ago

5 0

Answer: It’s 56 if you multiply it by the number of sides

Step-by-step explanation:

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3 years ago

The midpoint of AB is M (2,0). If the coordinates of A are, (-3, 3), what are the coordinates of B?

gregori [183]

Given:

M is the midpoint of AB.

M(2,0) and A(-3, 3).

To find:

The coordinates of point B.

Solution:

Midpoint formula:

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Let the coordinates of point B are (a,b). Then, using the midpoint formula, we get

$(2,0)=\left(\dfrac{-3+a}{2},\dfrac{3+b}{2}\right)$

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And,

$\dfrac{3+b}{2}=0$

$3+b=0$

$3+b-3=0-3$

$b=-3$

Therefore, the coordinates of point B are (7,-3).

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Harrizon [31]

Answer:

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Step-by-step explanation:

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