makaioambrose makaioambrose
  • 14-04-2017
  • Mathematics
contestada

Please If you can see if you can help on some of my questions!!!!

Please If you can see if you can help on some of my questions class=
Please If you can see if you can help on some of my questions class=

Respuesta :

TheHero
TheHero TheHero
  • 15-04-2017
PQ // BC 

then

Angle P = Angle B, A is common angle the two triangles are similar

AP/AB  = AQ/AC

8/18 = 12/ AC

AC = 12 * 18/8 = 27 (your ans: D)

AQ + QC = AC

QC = AC - AQ = 27 - 12 = 15 (if it was required) 

tan60 = y/8

y = s tan60 = 8sqrt(3)  (B)

Next time, post each question separately. 


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