Answer:
CONSIDERA LA PIZZA COMO UN CILINDRO
Step-by-step explanation:
LA FORMULA ES
V = π
a
11. 9/20
12. 13/20
13. 12/20
that's if it doesn't have to be in percentage form
1. Perfect square trinomials, are 2nd degree polynomials, of the form

so that

, which can be written as perfect squares.
2. For example

3. Thus

are perfect square trinomials.
4.

5. In the first case -b=20, so b=-20. In the second case, -b=-20, so b=20.
6. b∈{-20, 20}
I think the correct answer from the choices listed above is option B. Quadrilateral ABCD must be a rectangle because it is characterized by having <span>opposite sides that are parallel and side AB congruent to side DC which are characteristics of a rectangle.</span>