Answer:
C.169
Step-by-step explanation:
Answer:
i think the answer might be b
Step-by-step explanation:
I'm superrrrrrr sorry if I got it wrong, I'm not the best at mathematics but I'll help as much as I can. but I hope this helps <3
Answer:
72 : n = 18. n x 18 = 72
n : 18 = 72. 72 x 18 = n
72 : 18 = n
Step-by-step explanation:
Given:
The scale factor between two circles is .
To find:
The ratio of their areas.
Solution:
We know that, all circles are similar.
The ratio of the areas of similar figures is equal to the ratio of squares of their corresponding sides or equal to the square of ratio of their corresponding sides.
The scale factor is the ratio of the corresponding sides.
Ratio of areas of circles = Square of scale factor between two circles
Therefore, the correct option is D.