Question

(SHOW THE SOLUTION)
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Answer 1

See below ~

Explanation:

Rule :

Opposing angles in a cyclic quadrilateral are supplementary, which means they add up to 180°.

Q12

• 4x + 9 + 3x + 3 = 180
• 7x + 12 = 180
• 7x = 168
• x = 24

Q13

• 3x + 2 + 3x - 32 = 180
• 6x - 30 = 180
• 6x = 210
• x = 35