in triangle PQR amgle P=70 degree ,angle Q=65 degree then find angle R
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The sum of measure s of all angles of a triangle = 180°
in triangle PQR
angle P = 70°
angle Q = 65°
To find = angle R
Therefore
Angle P + Angle Q + Angle R = 180°
70 + 65 + angle R = 180°
135 + Angle R = 180
Angle R = 180 - 135
Therefore,
Angle R = 45°
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