Assessment and Learning in Knowledge Spaces (ALEKS) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

When considering the relationship between inscribed angles, what is a crucial property?

Inscribed angles that subtend the same arc are equal

The property that inscribed angles that subtend the same arc are equal is fundamental in understanding the relationship between angles and arcs in a circle. This means that if two or more inscribed angles intercept the same arc, they will have the same measure, regardless of their position on the circle. This characteristic can be derived from the central angle theorem, which states that the central angle that subtends a given arc is twice the measure of any inscribed angle that subtends the same arc.

As a result, if you have two inscribed angles subtending the same arc, since each of their measures is half of the measure of the common central angle, their measures must be equal. This property is crucial in solving various problems involving circles and helps in the understanding of more complex geometric concepts involving inscribed shapes.

The other options do not correctly describe the relationship between inscribed angles and do not hold as universally true. For example, while some inscribed angles may indeed be supplementary, it is not a defining property of all inscribed angles. Moreover, inscribed angles can be obtuse or reflex and do not necessarily always exceed central angles. Lastly, inscribed angles can be of any type, not limited to acute angles.

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All inscribed angles are supplementary

Inscribed angles always exceed central angles

Inscribed angles must be acute

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