We are already given radius as OB = 5cm.To find the length of the arc, we need the value of two variable, the center angle made by the arc and the radius. Length of the arc = (Central angle made by the arc/360°) × 2 × π × R.If OB = 5 cm and ∠ABC = 30 0 then what the length of the arc AC? In the diagram given above, O is the center of the circle. Achieve GMAT 740+ with our AI driven tools that you personilzed feedback at every step of your GMAT journey. (Central angle made by the arc/360°) × π × R²īegin your GMAT preparation with the only prep company that has delivered more 700+ scores than any other GMAT club partner. (Central angle made by the arc/360°) × 2 × π × R The angle formed by an arc at the center is twice the inscribed angle formed by the same arc. The radius is always perpendicular to the tangent at the point where it touches the circle.Ģ. Perpendicular dropped from the center divides the chord into two equal parts. Here is a summarized list of all the properties we have learned in the article up to this point. Summary of all the Properties of a Circle ![]()
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