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Heron's Formula

Question

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In the adjoining figure is a circle with centre O. If ∠BAC = 60° and ∠DCB = 100°, then find ∠DBC.

Solution

Solution not provided.
Ans. 20°

Some More Questions From Heron's Formula Chapter

Segment of a circle is the region between an arc and ________ of the circle.

A circle divides the plane, on which it lies, in ________ parts.

(i) Line segment joining the centre to any point on the circle is a radius of the circle.

A circle has only finite number of equal chords.

If a circle is divided into three equal arcs, each is a major arc.

for each arc, the remaining arc will have greater length.

Sector is the region between the chord and its corresponding arc.

A circle is a plane figure.

Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres.

Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.

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