Solution Video Solution. Tangent at any point of a circle is perpendicular to the radius through the point of contact. Hence the correct Option is A. Hence the correct Option is B. SSS congruence rule: If three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent. If two triangles are congruent then their corrresponding pars are equal. Prove that the tangents drawn at the ends of a diameter of a circle are parallel.
What is known? We know that, according to Theorem Hence, it is proved that Tangents drawn at the ends of a diameter of a circle are parallel. Prove that the perpendicular at the point of contact to the tangent to a circle passes through the center.
Perpendicular at the point of contact to the tangent to a circle ncert solutions for class 8 maths ch 10 ex 10.2 youtube through the centre. Reasoning and Steps:. By theorem, tangent at any point of a circle is perpendicular to the radius through the point of contact.
What is Known? The length of the chord of the larger circle which touches the smaller circle. SSS Congruence Rule: If three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent. Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the center.
The angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line ncert solutions for class 8 maths ch 10 ex 10.2 youtube joining the point of contact at the center. According to Theorem Therefore, opposite sides are equal. Hence other sides can be calculated.
Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the center of the circle. Opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the center of the circle. Steps and Reasoning:. We know that, tangents drawn from an external point to a circle subtend equal angles at the center.
Tangents drawn from an external point to a circle subtend equal angles at the centre. Class 10 Maths Solutions. Book a Free Class. Exercise Chapter 10 Ex. Ncert Class 10 Exercise Related Sections. Instant doubt clearing with Cuemath Advanced Math Program.
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