Answer:
a = 14
Step-by-step explanation:
Area; 196
hope this helps.
b 6
........................
27.7% larger
6 x 113% = 6.78
9 x 113% = 10.17
Old Area = 9 x 6 = 54 sq in
New Area = 6.78 x 10.17 = 68.95
(New - Old) ÷ Old = .277 = 27.7%