3 years ago

1A) Quad ABCD is inscribed in the circle. Find x. *

Mathematics

1 answer:

Ratling [72]3 years ago

3 0

Step-by-step explanation:

2x + 9° + 3x + 1° =180° (opposite angles of a cyclic quadrilateral are supplementary)

5x + 10° = 180°

5x = 180° - 10°

5x = 170°

x = 34°

Now

Angle A

= 2 * 34° + 9°

= 77°

Hope it will help :)❤

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