Redhulk9188 Redhulk9188
  • 22-01-2019
  • Mathematics
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NEED HELP ASAP 80 POINTS BRAINLIEST

The triangles are similar.


What is the value of x?


Enter your answer in the box.

x =

NEED HELP ASAP 80 POINTS BRAINLIEST The triangles are similar What is the value of x Enter your answer in the box x class=

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suspho
suspho suspho
  • 22-01-2019

Question

The triangles are similar.

 What is the value of x?



Answer:

23

Step-by-step explanation:


you can solve with the Pythagorean theorem

find the value of x - 10

√(12²+5²) =

√(144+25) =

√169 =

13

13 + 10 = 23

or you can solve with a proportion

36 : 39 = 12 : x - 10

x-10 = 39 * 12 : 36

x -10 = 13

x = 23



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