The answer to your question is 2,600
Apply the law of cosines. and solve for A

A = 79.04239272, or 79
Answer:

Step-by-step explanation:
Let the quadratic function be

We substitute
into the equation to obtain;


We substitute
to obtain;


We finally substitute
to obtain;


We put equation (2) into equation (1) to get;





We add equation (4) and (5) to get;



We put
into equation (5) to get;



The reqiured quadratic function is

The perimeter is 38.4 inches
Answer:
X=-1/2
Step-by-step explanation:
Hope this helps. Plz give brainliest.