Geometry

Triangles, circles, similar figures, theorems.

What's covered

This topic carries 24 questions in our bank, drawn from the SSC CGL syllabus and previous-year papers. Every question has a worked-out explanation.

Q1 • SSC CGL 2023

Two concentric circles are of radii 10 cm and 6 cm. Find the length of the chord of the larger circle which touches the smaller circle.
Q2 • SSC CGL 2024

If the sum of two sides of an equilateral triangle is 16 cm, then find the third side.
Q3 • SSC CGL 2024

Let O be the centre of the circle and AB and CD are two parallel chords on the same side of the radius. OP is perpendicular to AB and OQ is perpendicular to CD. If AB = 10 cm, CD = 24 cm and PQ = 7 cm, then the diameter (in cm) of the circle is equal to:

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