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The side ST of triangle RST is produced ...

The side ST of `triangle RST` is produced to P. If `angle RTP=115^@` and `angle S=2/3 angle R`, then the measure of `angle R` is:

A

`67^@`

B

`66^@`

C

`69^@`

D

`68^@`

Text Solution

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The correct Answer is:
C
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