"A. 4x^4 is the answer so try that."
Answer:

Step-by-step explanation:
The triangle is shown in the attachment.
Recall that;

This implies that;

We substitute the values into the ratio to obtain

Answer:
the circumference is 25.133 and the area is 50.265
~45.25 because the formula for circumference is 2(3.14286)a or 2(3.14286)7.2