the three angles of a quadrilateral are 50degree 85degree 116degree. find the fourth angles.
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the three angles of a quadrilateral are 50degree 85degree 116degree. find the fourth angles.
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Answer:
109
Step-by-step explanation:
we know that the sum of all interior angle of quadilateral is 360degree
85+116+50+x=360x=109
Answer:
Fourth angle=109°
Step-by-step explanation:
∠A=50°, ∠B=85°, ∠C=116°
∠A+∠B+∠C+∠D=360°
50°+85°+116°+∠D=360°
251°+∠D=360°
∠D=360°-251°
∠D=109°
Therefore, the fourth angle is 109°.