In ΔPQR, S and T are the mid points of sides PQ and PR respectively. If ∠QPR = 45° and ∠PRQ = 55°, then what is the value (in degrees) of ∠QST?

In ΔPQR, S and T are the mid points of sides PQ and PR respectively.

1.	In ΔPQR, S and T are the mid points of sides PQ and PR respectively. If ∠QPR = 45° and ∠PRQ = 55°, then what is the value (in degrees) of ∠QST?
A.	80
B.	85
C.	90
D.	100
Answer» E.

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In ΔPQR, S and T are the mid points of sides PQ and PR respectively. If ∠QPR = 45° and ∠PRQ = 55°, then what is the value (in degrees) of ∠QST?

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