D - 90 because 20 x 30 and multiply by 0.15
It is 4000 that is the correct answer
Ok so the answer should be answer choice D.
Work: by combining all the like terms, the sum would be Answer choice D.
Hope this helps!
Add another triangle to make it a square/rectangle. Then find the perimeter of that. Then divide the answer by 2. That will be the perimeter of the shape.
Answer:
Option 1.
Step-by-step explanation:
It's option 1.
You divide (b/a) by 2 then square it, then subtract this from both sides of the equation. It is the process of Completing the Square.
