Question

Multiply the side length by 3.
3(d+ 5)

Answer 1

Answer:

3. Square ABCD has an area of 144 square units, so its side length is 12. Length DL is 5, so triangle ADL is a 5-12-13 triangle as the Pythagorean Theorem.

Answer 2

Answer:

3d+15

Step-by-step explanation:

You would have to do distributive property. 3*d+3*5=3d+15