The ratio of the areas of two similar polygons is 225:36. What is the ratio of their corresponding sides?

Question

callisto · Answer

ratio of area = (ratio of sides)^2

callisto · Answer

So, ratio of sides 
$$\sqrt{\frac{225}{36}}=?$$

anonymous · Answer

15:6 or 5:2

anonymous · Answer

ty guys

anonymous · Answer

have another question

callisto · Answer

fire away

anonymous · Answer

Two triangles are similar and have a ratio of similarity of 8:3. What is the ratio of their perimeters and the ratio of their areas?

anonymous · Answer

would it be perimeter is 8:3 and area is 64:9

callisto · Answer

I think so, not very sure though :|
@ParthKohli What do you think?

parthkohli · Answer

Correct!

anonymous · Answer

thank you :D
ive done this next one before but i dont remember the formula

 Two congruent squares overlap at the midpoint of their sides. If a square has a side of 18 cm, what is the area of the figure?

parthkohli · Answer

This one is easy. imagine ir or draw :)

parthkohli · Answer

i'm having pizza can you guide kevin on this calli?

callisto · Answer

|dw:1338129657657:dw|
Hint: the diagram :)