Question

1) .two angle of a quadrilateral are are 78 and 122. the other two angles are equal. find the measure of these two angles.​

Answer 1

Answer:

80

Step-by-step explanation:

if two angle are 78 and 122

sum of angles in quadrilateral= 36

one angle=78

second angle = 122

third and fourth angle are equal

let angle be x

122+78+ x+ x =360

200+2x = 360

2x = 360-200

2x = 160

x = 80

Answer 2

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