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alukav5142 [94]
3 years ago
6

Karen drew a triangle with side lengths 3 centimeters 4 centimeters and 5 Centimeters what is the perimeter of the triangle

Mathematics
2 answers:
Fiesta28 [93]3 years ago
7 0

you just need to add the sides


Nezavi [6.7K]3 years ago
5 0

formula:
<span><span>P△</span>=<span>s1</span>+<span>s2</span>+<span>s3</span></span>

where P = perimeter of triangle
<span><span>s1</span>,<span>s2</span>,<span>s3</span></span> are the three sides.

<span><span>P△</span>=3+4+5</span>

<span><span>P△</span>=12</span> cm.

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The length of its diagonal in terms of r and​ s is √r² + s²

In order to get the length of the diagonal of a triangle, we will use the Pythagoras theorem:

Pythagoras theorem states that the sum of the square of the diagonal is equal to the sum of the square of the other two sides.

Given the following

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Learn more here: brainly.com/question/11929455

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