The angles of a cyclic quadrilateral are in the ratio 1:2:3:4. What is the…
2025
The angles of a cyclic quadrilateral are in the ratio 1:2:3:4. What is the measure of the smallest angle?
- A.
36°
- B.
72°
- C.
108°
- D.
144°
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Correct answer: A
Angles of a cyclic quadrilateral sum to 360°. With ratio 1:2:3:4, the total is 10 parts, so one part is 36° and the smallest angle is 36°.