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IGCSE /Grade 10
Maths MCQ Based On
Segments forming chords secants and tangents
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IGCSE Grade 10 Maths Segments forming chords secants and tangents
The formula for the length of a chord is \\(c = 2 r sin(θ)\\)
The tangent that passes through T and is perpendicular to the secant that passes through T and is parallel to the radius that passes through the center of the circle is also a radius of the circle.
Use chord - chord theorem.
From sectant tangent theorem, \\(MP\\times\\ MO=MN^2\\)
The length of a secant is equal to the product of the lengths of the two chords that it intersects, divided by the difference of their lengths.
\\(BD\\times\\ BE=AB^2\\)use secant tangent theorem to solve.
When two chords in a circle intersect then the product of segments of one chord is equal to the product of segments of another chord.
The length of the segment of the bridge that is tangent to the circle can be verified by measuring the distance between the point of tangency and the edge of the circle. The distance between the point of tangency and the edge of the circle is equal to the radius of the circle, which is 10 meters.
Use the secant theorem.
The length of a secant is equal to the product of the lengths of the two chords that it intersects, divided by the difference of their lengths.
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