EXERCISE 10.2,Q1 to 7, CLASS 10TH, MATHEMATICS, NCERT SOLUTIONS

EXERCISE 10.2 Question 1 to 7
CLASS 10TH MATHEMATICS,
NCERT SOLUTIONS
QUESTION 1 T0 7
. From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm. The radius of the circle is
if TP and TQ are the two tangents to a circle with centre O so that ∠ POQ = 110°, then ∠ PTQ is equal to
If tangents PA and PB from a point P to a circle with centre O are inclined to each other at angle of 80°, then ∠ POA is equal to
Prove that the 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 centre.
A quadrilateral ABCD is drawn to circumscribe a circle
Prove that
AB + CD = AD + BC

VISUAL PROOF AND THEORIDINAL PROOF OF Theorem 10.1