Question
The sides of the pentagon are quadrupled, so they are now __ times as large. This means the area is now __ times as large. This is equivalent to an increase of __%.
Answers
Reiny
Area of similar figures are proportional to the square of their corresponding sides
area of smaller pentagon : area of larger pendagon = 1^2 : 4^2 = 1 : 16
make use of this in your answer.
area of smaller pentagon : area of larger pendagon = 1^2 : 4^2 = 1 : 16
make use of this in your answer.
Jon
Can you please help me further?