Three angles of a quadrilateral are 54°, 80° and 161°find the measure of the fourth angle
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0
Answer:
1. Add all the given three angles
= 54°+80°+161° =295°
LET the fourth angle be x
x + 295°=360°
= x = 360°-295°=65°
Hence , the fourth angle is 65°
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4
Answer:
Sum of the angle of a quadrilateral = 360°
Fourth angle =
54°+80°+161°+x=360°
295°+x=360°
x=360°-295°
x=65°
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