Posted by nolan on Friday, August 17, 2012 at 9:42am.
Remember that similar polygons are ones that have the same ratio for all the sides. So in order to have an area 9 times as great the sides must be 3 times as long (area is linear x linear, or 3 x 3 = 9).
(Check your answer--draw a picture if it helps!)
Related Questions
geometry - The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of ...
Geometry - The sides of a quadrilateral are 3, 4, 5, and 6. What is the length ...
college math - 1). Sum of three numbers is 45. One number is five more than the ...
geometry - the perimeter of a triangle is 48 cm. The length of one side is 7 cm ...
geometry - the length of 2 diagonals of a quadrilateral is 10cm and 24cm ...
geometry - The perimeter of a triangle is equal to 12 inches. The length of the ...
geometry - Quadrilateral ABCD is similar to quadrilateral WXYZ. Side BC is 8.6 ...
math - A flower bed is in the shape of a triangle with one side twice the length...
Algebra 1 - The perimeter of a triangle is 20 inches. The longest side is 4 ...
pre- algebra - The perimeter of a triangle is 24 cm. One side is 2 cm longer ...
For Further Reading
