WynneM433354 WynneM433354
  • 03-11-2022
  • Mathematics
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Examine the figure below.If AABC is similar to ADEF, determine the measure of

Examine the figure belowIf AABC is similar to ADEF determine the measure of class=

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RayleneN658500 RayleneN658500
  • 03-11-2022

We have two similar triangles.

They will have proportional sides and equal measures.

Then, if we have to evaluate Then, we can write:

[tex]\begin{gathered} m\angle A=m\angle D \\ 3x+18=4x+2 \\ 3x-4x=2-18 \\ -x=-16 \\ x=16 \end{gathered}[/tex]

Knowing x, we can calculate m[tex]\begin{gathered} m\angle A=3x+18 \\ m\angle A=3\cdot16+18=48+18=66\degree \end{gathered}[/tex]Answer: the measure of A is 66º

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