3 years ago

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:

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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