adamdtran adamdtran
  • 15-04-2021
  • Mathematics
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LM is a common tangent. PL=10, QM=2, and LM=20. Find the measure of LN.

LM is a common tangent PL10 QM2 and LM20 Find the measure of LN class=

Respuesta :

Simon003
Simon003 Simon003
  • 15-04-2021

Answer:

25cm

Step-by-step explanation:

using similar triangles.

10/2 = (20+y)/y

where y is length of MN

10y = 40+2y

40= 8y

y= 5.

LN = LM + MN

= 20+5

25cm

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