In the diagram below of triangle BCD, E is a midpoint of BC and F is a midpoint of CD. If EF = 2x + 4, and BD 10x – 40, what is the measure of EF?
E
А
D

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

49%

step-by-step explanation:

when you realize that you dont know just realize i just took a test and im so smart

first one because it can't have a fraction in it

step-by-step explanation: