Question

If two similar triangles have a scale factor of a : b, then the ratio of their areas is

• A. b : a
• B. a${}^3$ : b${}^3$
• C. a${}^2$ : b${}^2$
• D. 2a : 2b

Answer 1

The correct option is C

a${}^2$ : b${}^2$

If two similar triangles have a scale factor of a : b, then the ratio of their areas is a${}^2$ : b${}^2$.