Which term describes one fourth of a circle?

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Multiple Choice

Which term describes one fourth of a circle?

Explanation:
A circle has 360 degrees, so dividing it into four equal parts gives each part a 90-degree central angle. That portion is called a quadrant. It’s a specific type of sector, defined by two radii that form a 90-degree angle and the arc between them, which together comprise one quarter of the circle. The other terms describe different things: a radius is a line from the center to the edge, a diameter is a line that goes across the circle through the center, and a sector can be any wedge with any central angle. Since we’re talking about one quarter of the circle, the correct term is quadrant.

A circle has 360 degrees, so dividing it into four equal parts gives each part a 90-degree central angle. That portion is called a quadrant. It’s a specific type of sector, defined by two radii that form a 90-degree angle and the arc between them, which together comprise one quarter of the circle. The other terms describe different things: a radius is a line from the center to the edge, a diameter is a line that goes across the circle through the center, and a sector can be any wedge with any central angle. Since we’re talking about one quarter of the circle, the correct term is quadrant.

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