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Deepika singh

· started a discussion

· 1 Months ago

q82 (Question:630605.0)

how do we get other angles value as 36degrees?

Question:

      PQRST is a regular pentagon. If PR and QT intersects each other at X, then what is the value (in degrees) of ∠TXR? / 

Options:
A)

      98

B)

      90

C)

      72

D)

      108

Solution:

  

Value of each angle of a regular =  180°-3605=108°   

In ∆PQX,

∠PXQ=180°-36°-36°=108°=∠TXR   

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