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

ratio of area = (ratio of sides)^2

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

15:6 or 5:2

ty guys

have another question

fire away

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?

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

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

Correct!

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?

This one is easy. imagine ir or draw :)

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

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

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