Question

find the value of x in each of the following​

Answer 1

Answer:

c)

45°+25°+20°+x = 360° ( Angle sum property of a

quadrilateral)

90°+x = 360°

x= 360°-90°

x= 270°

d)

x+2x+84°+96°=360°

3x+180°=360°

3x = 360°-180°

3x = 180°

x =180/3

x = 60°

Answer 2

Answer:

figure 1 :-

sum of all the interior angle of an quadrilateral = 360

45 + 25+ 20+ x = 360

90 + x = 360

x = 360 - 90

x = 270

Figure 2 :-

sum of all the interior angle of an quadrilateral = 360.

84 + 96 + 2x + x = 360

180 + 3x = 360

3x = 360 - 180

3x = 180

x = 180/3

x = 60

therefore, 2x = 60*2 = 120

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