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vazorg [7]
3 years ago
13

What is the perimeter of triangle ABC12 units13units14units18units​

Mathematics
2 answers:
dsp733 years ago
7 0

d 18 units 5+5+8. just add the side lengths

emmainna [20.7K]3 years ago
4 0

Answer:

18

Step-by-step explanation:

The length of  side AC can be found by counting the squares between AC:  8.

The length of side BC can be found using the Pythagorean Theorem.  B is 3 units to the right of C and 4 units above C.  Thus:

|BC| = √(3² + 4²) = √25 = 5.

|AC| has the same length:  5.

Thus, the perimeter of this triangle is 5 + 5 + 8, or 18.

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