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gavmur [86]
3 years ago
13

What is the perimeter of abc with vertices A(-2,9) B(7,-3) and C(-2,-3) in coordinate plane

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
6 0
For the answer to the question above,
A - C = ( -2, 9) - (- 2 -3) 

<span>= ( 0, 12) </span>

<span>AC = 12 </span>

<span>B - C = (7 - 3) - ( - 2 -3) </span>

<span>= (9, 0) </span>

<span>BC = 9 </span>

<span>ABC is a right -angled triangle with AC as the hypotenuse </span>

<span>AC = sqrt( 9^2 + 12^2) </span>

<span>= sqrt(81 + 144) </span>

<span>= srqt(225) </span>

<span>= 15 </span>

<span>Perimeter = 12 + 9 + 15 </span>

<span>= 36 units </span>

<span> So the answer is 36 units
</span>I hope my answer helped you.
IRINA_888 [86]3 years ago
4 0

Answer:

36units

Step-by-step explanation:

yeah thatss right


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