Question

What is the perimeter of triangle ABC ?

Answer 1

Answer:

Step-by-step explanation:

Lf16

Answer 2

$\text {AC = } 6 \text { units}$

$\text {AB = } \sqrt{(5-1)^2 + (2+1)^2} = 5 \text { units}$

$\text {BC = } \sqrt{(5-1)^2 + (5-2)^2} = 5 \text { units}$

$\text {Perimeter = } 6 + 5 + 5 = 16 \text { units}$


Answer: Perimeter = 16 units.