Question

FIND THE UNKNOWN ANGELES WITH GIVING REASON​

Answer 1

Step-by-step explanation:

a=b(angleoppositetoequalsides)

∠P+∠Q+∠R=180

0

(byanglesumproperty)

=80

0

+a+a=180

0

2a+100

a=50

0

so,a=b=50

0

∠SRQ=∠RPQ=∠PQR(Exteriorangleproperty)

c=180

0

+a

c=80

0

+50

0

c=130

0