Question

A triangle is divided into 4 regions of area 5,10,8 and x as shown.Find x

Answer 1

Extended Crossed Ladder Theorem????????

Answer 2

no idea

Answer 3

http://2000clicks.com/mathhelp/geometrytrianglecrossedladder.aspx
i think this will help u
:)

Answer 4

@amistre64 @dpaInc I see its about height but I cant visualize that here

Answer 5

@UnkleRhaukus

Answer 6

@Jonask let me help u
first of all redraw it and name its point:)

Answer 7

okay

Answer 8

how would you define the Area for the particular triangle? you have 3 overall to compare with to create relationships with

Answer 9

we are related to perpendiculars so we know that area=1/2*base*height

Answer 10

\[1/2(mn)\]

Answer 11

@Jonask area of BCD=1/2CD*x