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2 years ago

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Use the distance formula to find the length of the segment A(1, 2) to B(5, 2)

1 answer:

Dennis_Churaev [7]2 years ago

4 0

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad B(\stackrel{x_2}{5}~,~\stackrel{y_2}{2})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AB=\sqrt{(5-1)^2+(2-2)^2}\implies AB=\sqrt{4^2+0}\implies AB=4$

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[128 ÷ (6 + 4 – 2)] X 8

scoray [572]

Do parentheses first:

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Now do brackets:

128/8 = 16

Now multiply:

16 x 8 = 128

The answer is 128

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A regular decagon has a radius of 8 cm. what is the approximate area of the decagon? recall that a decagon is a polygon with 10

lianna [129]

The approximate area of the decagon with a side of 8cm comes to be 492.40 cm².

The side of the regular decagon = 8cm

<h3>What is a regular decagon?</h3>

A regular decagon is a polygon with 10 sides that are equal to each other.

The area of a regular decagon with side a is:

$A=\frac{5}{2} a^{2} \sqrt{5+2\sqrt{5} }$

So, the area A of the regular decagon with a side of 8cm:

$A=\frac{5}{2} 8^{2} \sqrt{5+2\sqrt{5} }$

$A=160\sqrt{5+2\sqrt{5} }$

A=492.40 cm²

Therefore, the approximate area of the decagon is 492.40 cm².

To get more about the decagon visit:

brainly.com/question/19899848

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1 year ago

I need help so what is 11 x11

ad-work [718]

Answer:

11x11 is <u>121</u>

11 x 11 can also be rewritten as 11^2.

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No.
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