Question

(2x-9 ) degree, (2x+9) degree, (3x-9) degree,(3x+9) degree are angles of a quadrilateral find the angles​

Answer 1

Answer:

2x-9 + 2x+9 + 3x-9 + 3x+9 = 360° (Angle Sum Property)

or, 10x = 360°

or, x = 360/10 = 36°.

2x - 9 = 2(36) - 9 = 72 - 9 = 63°.

2x + 9 = 2(36) + 9 = 72 + 9 = 81°.

3x - 9 = 3(36) - 9 = 108 - 9 = 99°.

3x + 9 = 3(36) + 9 = 108 + 9 = 117°.

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