Question

solve this.............................​

Answer 1

Step-by-step explanation:

first pqr=prt -------1

pqs = 180-pqr -------2

prt = 180-prt ---------3

By 1,2 and 3

pqs = prt

Answer 2

Answer:

given, <pqr=<prq

Step-by-step explanation:

<pqs+<pqr=180°[linear pair]

•<prt+<prq=180° [``]

<pqs+<pqr=<prt+<prq

therefore, <pqs=<prt

hence proved....