1.

X is a point on the side BC of AABCrespectively meeting AB in N and AC in M. N produced meets CB produced al TProve that TXa_ TB TCXM and XN are drawn parallel to. AB and AC

Answer»

Here is your answer:

XM || AB, XN || AC

TX² = TB x TC

BN || XM

For ΔTXM we have

BN || XM

Now we will use BASIC PROPORTIONALITY THEOREM

TB/TX = TN/TM --- (this is equation 1)

XN || AC

XN || CM

In ΔTMC we have

XN || CM

Again we will use BASIC PROPORTIONALITY THEOREM

TX/TC = TN/TM --- (this is equation 2)

Now we will compare equation 1 and equation 2

TB/TX = TX/TC

TX² = TB x TC (proved)



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