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Answered by
14
Step-by-step explanation:
as we know
sum of all angles of a triangle is 180°
So,
P+Q+R=180°
20+Q+30=180
Q=180-50
Q=130°
Answered by
10
Answer:
In ∆PQR,
angle pqr+qrp+rpq=180
- pqr+30°+20°=180
- pqr=180-50°
- pqr=130°
As the central angle is greater than 90° , so it is an obtuse angled traiangle.
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