Answer: 
Step-by-step explanation:
To fing the diameter of a circle when given the circumfrence we use the formula of



(x + 4) (x + 2)
=x^2 +2x + 4x + 8
=x^2 + 6x + 8
the other factor is (x + 2)
The attached figure reprsents a prove that a rectangle has congruent diagonals.
<u>Given:</u> rectangle ABCD
<u>Prove:</u> BD ≅ AC
Answer:
9
Step-by-step explanation:
6+x, when x = 3
6+(3)
6+3=9