From the adjacent figure find the values of $∠ P R S$ (in degree).

85

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75

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65

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55

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Solution

The correct option is A $85$
We know, by exterior angle property, an exterior angle of a triangle is equal to the sum of the two interior opposite angles.

Then, in $△ P Q R$ ,
$∠ Q P R + ∠ P Q R = ∠ P R S$
$⟹$ $35^{o} + 50^{o} = ∠ P R S$
$⟹$ $∠ P R S = 85^{o}$ .

Therefore, option $A$ is correct.

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From the adjacent figure find the values of ∠PRS (in degree).

The correct option is A 85We know, by exterior angle property, an exterior angle of a triangle is equal to the sum of the two interior opposite angles.Then, in △PQR,∠QPR+∠PQR=∠PRS⟹ 35o+50o=∠PRS⟹∠PRS=85o.Therefore, option A is correct.

From the adjacent figure find the values of $∠ P R S$ (in degree).