In the given figure, MNO is congruent to QPR by the SAS congruence condition. Find out the value of x.
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Answer:
x = 10°
Step-by-step explanation:
Given:-
MNO ≅ QPR (By S.A.S Congruency)
∠RQP = 50°
∠PRQ = 70°
∠MNO = 5x + 10°
To Find:-
Value of x
Proof:-
We have,
MNO ≅ QPR
Then,
By C.P.C.T [Corresponding Parts of Congruent Triangles]
∠MNO = ∠QPR ---- 1
Now,
In ΔQPR,
∠RQP + ∠QPR + ∠PRQ = 180° [Angle Sum Property]
50° + ∠QPR + 70° = 180°
∠QPR + 120° = 180°
∠QPR = 180° - 120°
∠QPR = 60° ----- 2
From eq.1 and eq.2,
∠MNO = 60°
5x + 10° = 60°
5x = 60° - 10°
5x = 50°
x = 50°/5
x = 10°
Hence,
x = 10°
Hope it helped and believing you understood it........All the best
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