# The angles of a q

Let x be the common multiple.

As per question, A = 3x B = 5x C = 7x D = 9x

As we know that, Sum of all four angles of quadrilateral is 360o. A + B + C + D = 360°

3x + 5x + 7x + 9x = 360°

24x = 360°

X = 360/24

= 15° A = 3 × 15° = 45° B = 5 × 15° = 75° C = 7 × 15° = 105° D = 9 × 15° = 135°

So, Angles of quadrilateral are 45°, 75°, 105° and 135°.

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