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Step-by-step explanation:
Let take ∆ABC
angle A + angle B + angle C = 180°. ( angle sum property )
30° + 110° + angle C = 180°
140° + angle C = 180°
angle C = 180° - 140°
Angle C = 40°
Let take ∆PQR
angle P + angle Q + angle R = 180 °. ( angle sum property)
angle P + 110° + 40° = 180°
angle P = 180° - 150°
angle P = 30°
Now let take ∆ABC and ∆PQR
angle A = angle P = 30°
angle B = angle Q = 110°
angle C = angle R = 40°
So by AAA congruency rule
∆ABC Congruent to ∆PQR
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i have given answer in an attachment plz check
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