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lubasha [3.4K]
3 years ago
9

Find the value of x​

Mathematics
2 answers:
amm18123 years ago
7 0

Answer:

82•5°

Step-by-step explanation:

28 + 68.5 + x = 180

x = 180 - 97.5

x = 82.5

Nina [5.8K]3 years ago
7 0

Here,

let the forth degree of the quadrilateral be y

Then,

90° +90° +68.5° + y =360° (all the interior angle of a quadrilateral is 360°)

or, 248.5+ y=360°

or, y = 360° - 248.5°

or, y= 111.5°

Again, the second angle of the triangle be a

Then,

a=111.5(vertically opposite angle)

Lastly,

29° + 111.5° + x = 180°(all the interior angle of a triangle is 180°)

or, 140.5° + x = 180°

or, x =180° - 140.5°

or, x=39.5°

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