Answer:
m<STR=149 degree
Explanation:
To find m<STR
m PQ=186 degree
mSR=112 degree
m<STR=1/2(m PQ+MSR)
m<STR=1/2(186 +112)
⇒1/2(298)
answer⇒149
hope it helps...
1.6m questions
2.0m answers