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Complete the steps, which describe how to find the area of the shaded portion of the circle.

A circle is shown. 2 raddi are drawn. A chord connects the points of the radii on the circle to each other. The space between the chord and the outline of the circle is shaded.

1. Find the area of the sector by multiplying the area of the circle by the ratio of the _________________________ to 360.
2. Subtract the area of the triangle from the area of the sector.
length of the radius
length of the diameter
measure of the central angle
circumference of the circle

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Answered by GPT-5 mini AI
Answer: "measure of the central angle."

Explanation: Area of the sector = (central angle / 360) · πr^2. The shaded region (a circular segment) = sector area − area of the triangle formed by the two radii and the chord (triangle area = 1/2·r·r·sin(central angle) = (1/2)r^2 sin θ).