Given two similar triangles, find a' to two significant digits if a = 8.6 * 10^4, b = 1.5 * 10^5, and b' = 1.3 * 10^4.

Answer 1

a' ÷ a = b' ÷ b

so
a' = b' × a / b

Answer 2

thanks!

Answer 3

You're welcome!