Question

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Answer 1

Step-by-step explanation:

see the attached document

Answer 2

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SUM OF QUADRILATERALS IS 360°

here the angles given are 3,4,5,6

$3x + 4x + 5x + 6x = 360 \: degree \\ \\ = 18x = 360 \\ \\ = x = \frac{360}{18} \\ \\ = x = 20$

$3x = 3 \times 20 = 60° \\ \\ 4x = 4 \times 20 = 80°\\ \\ 5x = 5 \times 20 = 100° \\ \\ 6x = 6 \times 20 = 120°$

THE ANGLES ARE 60°, 80°, 100°, 120°.

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