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Reptile [31]
3 years ago
9

What is the perimeter of PQR with vertices P(-2, 9), Q(7, -3) R(-2, -3) in the coordinate plane?

Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0

Answer:

p (perimeter) = 36

Ket [755]3 years ago
6 0

Answer:

36.

Step-by-step explanation:

The perimeter = PQ + QR + RP

= √[(-2 -7 )^2 + (9- (-3))^2)] + √[(7 - (-2))^2 + (-3 - (-3)^2)] + √((-2 -(-2)^2+(-3-9)^2)]

= √(81+144) + √81 + √144

= √225 + √81 + √144

= 15 + 9 + 12

= 36

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