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Witryna3 sie 2024 · Important Questions for Class 10 Maths Chapter 4 Quadratic Equations Quadratic Equations Class 10 Important Questions Very Short Answer (1 Mark) … Witryna26 wrz 2024 · Practice Questions for Class 10 Maths Chapter 2 Polynomials. Find the zeroes of the quadratic polynomial 7y2 – (11/3)y – (2/3) and verify the relationship … Question 39. In the figure, a circle is inscribed in a triangle PQR with PQ = 10 cm, QR = 8 cm and PR = 12 cm. Find the lengths of QM, RN and PI. (2012OD) Solution: Let PL = PN = x cm QL = QM = y cm RN = MR = z cm PQ = 10 cm = x + y = 10 …(i) QR = 8 cm = y + z = 8 …(ii) PR = 12 cm = x + z = 12 …(iii) By … Zobacz więcej Question 1. In the given figure, O is the centre of a circle, AB is a chord and AT is the tangent at A. If ∠AOB = 100°, then calculate ∠BAT. (2011D) Solution: ∠1 = ∠2 ∠1 + ∠2 + … Zobacz więcej Question 18. Prove that the tangents drawn at the ends of a diameter of a circle are parallel. (2012OD) Solution: Proof: ∠1 = 90° …(i) ∠2 = 90° …(ii) ∠1 = ∠2 … [From (i) & (ii) … Zobacz więcej Question 42. Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact. (2011OD, 2012OD, 2013D, 2014OD, 2015D) Solution: Given: XY is a tangent at point P to the … Zobacz więcej small toy fire engine