Answer:



Step-by-step explanation:
From the diagram, quadrilateral BCEF is a cyclic quadrilateral.
Opposite angles if a cyclic quadrilateral sum up to 180°

The diagonals intersect at D to form two pairs of vertical angles, and vertical angles are congruent.

Also sum of angles in triangle CBD is 180°.

Answer:
38 in
Step-by-step explanation:
P=w+w+h+h=18+18+6+6=26+12=38 in
Answer:
3/4
Step-by-step explanation:
3/4 = 75%
11/16 = about 68%
Therefore, 3/4 is greater
If the question meant f(x)=2^(x) -3 then the answer should be 1 over 4 or 1/4