3 years ago

I need help ASAP please

Mathematics

1 answer:

Radda [10]3 years ago

7 0

Answer:

$a {}^{2} + b {}^{2} = c {}^{2}$

I hope this help

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Find the area of the regular polygon. Round to the nearest tenth.

mojhsa [17]

Given:

Side length = 12 in

To find:

The area of the regular polygon.

Solution:

Number of sides (n) = 6

Let us find the apothem using formula:

$$a=\frac{s}{2 \tan \left(\frac{180^\circ}{n}\right)}$

where s is side length and n is number of sides.

$$a=\frac{12}{2 \tan \left(\frac{180^\circ}{6}\right)}$

$$a=\frac{6}{ \tan (30^\circ)}$

$$a=\frac{6}{ \frac{1}{\sqrt{3} }}$

$$a=6\sqrt{3}$

Area of the regular polygon:

$A=\frac{1}{2}(\text { Perimeter })(\text { apothem })$

$$A=\frac{1}{2}(6 \times 12)(6\sqrt{3} )$

$$A=\frac{1}{2}(72)(6\sqrt{3} )$

$A=216 \sqrt{3}$

$A=374.1$ in²

The area of the regular polygon is 374.1 in².

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3 years ago

Can someone help fast ??

VARVARA [1.3K]

Use this website wwww.abcs 123.com for the answer blrddd

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3 years ago

Write each fraction as a percent. 1. 3/10 2. 7/20 3. 8/25

allsm [11]

3/10=30/100=30%
7/20=35/100=35%
8/25=32/100=32%

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3 years ago

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Rewrite cot 80° in terms of its cofunction.

zysi [14]

Answer:

tan 10 degrees.

Step-by-step explanation:

tan x = cot (90 - x) so:

cot 80 = cot (90 - 10)

= tan 10.

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3 years ago

By the way, in the picture it's both to a power of 3 if you can't see. Thank you.

disa [49]

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3 years ago