nafsaeatailii
nafsaeatailii nafsaeatailii
  • 13-06-2017
  • Mathematics
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△RST is similar to triangle △XYZ by the AA Similarity Postulate .



What is the measure of ∠X?

RST is similar to triangle XYZ by the AA Similarity Postulate What is the measure of X class=

Respuesta :

Аноним Аноним
  • 13-06-2017
x = 180 - 23 - 47 = 110
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FelisFelis FelisFelis
  • 03-06-2019

Answer:

The measure of ∠X  is  110°

Step-by-step explanation:

If two triangles are similar then their corresponding angles are same by AA similarity.

we can observe from provided triangles,

∠S=∠Y=23°

∠T=∠Z=47°

So, In triangle Δ XYZ ;

∠X +∠Y +∠Z = 180° (∵By angle sum property)

∠X +23° +47° = 180°

∠X +70° = 180°

Subtract 70° from both the sides in the above expression,

∠X  = 180°-70°

∠X  = 110°

Hence the measure of ∠X  is 110°

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