Franchisee/Partner Enquiry … (b) Opposite sides are parallel. The original proof of Archimedes is not rigorous by modern standards, because it assumes that we can compare the length of arc of a circle to the length of a secant and a tangent line, and similar statements about the area, as geometrically evident. 1 answer. Education Franchise × Contact Us. Suppose the radius of the circumscribing circle is 2 sq.root of 3 units. Contact us on below numbers. Physics. (c) Opposite angles are equal. Opposite angles are equal to each other and adjacent angles are supplementary angles. Prove that 3−√2 is irrational, given that √2 is irrational. Correct answer to the question: Prove that the parallelogram circumscribing a circle is a rhombus. A D B . Miss Mrunal Thombare. Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. How to prove if the diagonals in a paralellogram are congruent then the parallelogram is a rectangle answer by edwin mccravy 17735 show source. Raghunath Reddy. question_answer Answers(1) edit Answer . In this article we study the circumscribed rectangles about a quad- rangle and in particular their extrema with respect to the area. Chemistry. Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact. 5. 3 28. Books. Prove cyclic parallelogram is a rectangle. how_to_reg Follow . Given ABCD is a parallelogram. The rhombus is a parallelogram with equal sides. C. F. C . It means that the ray moves in the plate along to the circle as found previously. The sum of angles in a rhombus is 360. 15. Prove that the parallelogram circumscribing a circle is a rhombus. Parallelogram … All of these shapes have a different set of properties. A circle with centre o. If one zero of the polynomial ( 2+9) +13x+6a is reciprocal of the other. 4. 1 … A cyclic quadrilateral is a four-sided polygon whose vertices are inscribed in a circle. Prove that the parallelogram circumscribing a circle is a rhombus . 5. A circle whose centre O passes through A, B is so drawn that it intersect AD at P and BC at Q To prove Points P, Q, C and D are con-cyclic. Ask questions, doubts, problems and we will help you. thumb_up Like (0) visibility Views (2.6K) edit Answer . Prove that the parallelogram circumscribing a circle is a rhombus 3. Also, the area and perimeter formulas of these shapes vary with each other and are used to solve many problems. Find the probability of getting (i) a king or a spade card (ii) not an ace card. 3. Draw two concentric circles with centre O and radii 4 cm and 6 cm. 35. 26. Two tangents PQ and PR are drawn to a circle with centre o from an external point P. `prove that Angle QPR = 2 angle OQR 4. As the number of sides of the regular polygon … 36. 12 cm . quadrilateral abcd circumscribing a circle and touching it at points p, q, r, s such that