Question

At the bank of a river, by measurement, a = 9 ft., b = 15 ft., c = 12 ft., and d = 7 ft.

How long is x? How long is y?

Angle --> https://media.glynlyon.com/a_matgeo_2011/5/group123.gif

Write answer to nearest tenth or as a fraction.

x = ?

y = ?

Answer 1

the two triangles are similar
so
a /c = b / x
9 / 12 = 15 / x

solve for x

Answer 2

also d/y = a/c

Answer 3

thanks so much :D