Mona has a triangular flag. She wants to cut out a similar flag that has dimensions one-fourth of the original flag. If the area of the original flag is 320 square inches, what is the area of the new flag that Mona cuts out?

Question

anonymous · Answer

@jim_thompson5910

cwrw238 · Answer

if ratio of one dimension = a:b then ratio of areas = a^2 : b^2

anonymous · Answer

okay. could you explain further

cwrw238 · Answer

well the smaller flag has a dimension 1/4 of large
so larger / smaller = 4 / 1
so area  larger/smaller = 4^2 / 1^2 or 16/1

cwrw238 · Answer

so proportinate;y

16          320     
--   =     ---
1              x

where x = area of the smaller  flag

anonymous · Answer

20

cwrw238 · Answer

right

anonymous · Answer

thank you!!! could you help with my next question?

cwrw238 · Answer

ill take a look