Question

In a triangle PQR , angle P = 60 ° and angle Q= angle R , fing angle R

Answer 1

both angle Q and R will be also 60 degree only

as angle sum property of triangle says summ of all angles of a triangle make up 180 degree

angle P=60

angle Q=angle R

so, angleP-angleQ+angleR-180

=60+Q+P=180

=Q+R=180-60

=Q+R=120

So, Q+R=120/60=60

So , hence proved

Q=60

R=60

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