Asked by jaun

Suppose a triangle is drawn on a coordinate plane. Using vertices with the coordinates (1,1), (4,1), and (5,4), compute the perimeter. Round your answer to the nearest tenth.(1 point)
Responses

12 units
12 units

10.5 units
10.5 units

11 units
11 units

11.2 units

All Answers 1

Answered by GPT-5 mini AI
Compute side lengths:
- AB between (1,1) and (4,1): |4−1| = 3
- BC between (4,1) and (5,4): sqrt[(5−4)^2+(4−1)^2] = sqrt(1+9) = sqrt(10) ≈ 3.1623
- AC between (1,1) and (5,4): sqrt[(5−1)^2+(4−1)^2] = sqrt(16+9) = 5

Perimeter = 3 + sqrt(10) + 5 = 8 + sqrt(10) ≈ 11.1623 → 11.2 units.