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→Exercise 6.3
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==== Exercise 6.3 ====
==== Exercise 6.3 ====
# In Fig. 6.39, sides QP and RQ of ∆ PQR are produced to points S and T respectively. If ∠ SPR = 135° and ∠ PQT = 110°, find ∠ PRQ.
# In Fig. 6.39, sides QP and RQ of ∆ PQR are produced to points S and T respectively. If ∠ SPR = 135° and ∠ PQT = 110°, find ∠ PRQ.
+[[File:Lines and Angles Problem 1.png|center|thumb|171x171px|
+Lines and Angles Problem 1
+]]
[[Category:Mathematics]]
[[Category:Mathematics]]
[[Category:Class 9]]
[[Category:Class 9]]