31- In the given figure if PQ || ST, ZPQR = 110º and ZRST = 130° find ZQRS.
130
110°
R
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Question 4 In the given figure, if PQ || ST, ∠PQR = 110º and ∠RST = 130º, find ∠QRS. [Hint: Draw a line parallel to ST through point R.]
Class 9 - Math - Lines and Angles Page 104"
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