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7 votes
7 votes
These figures are similar. The area of one is given. Find the area of the other.

15in and 21in
Area=196in^2

These figures are similar. The area of one is given. Find the area of the other. 15in-example-1
User Pramod Setlur
by
2.8k points

1 Answer

19 votes
19 votes

Answer:

100

Explanation:

The ratio of the area is the square of the ratio of the length of the sides.

ratio of lengths of sides: 15/21 = 5/7

ratio of areas: (5/7)² = 25/49

196 in.² × 25/49 = 100 in.²

User Rakshith Kumar
by
3.2k points