a) 10 b) 15 c) 11 d) 12 6. show 10 more Given : A quadrilateral ABCD in which the diagonals AC and BD intersect at O such that AO = OC, BO = OD To prove : ABCD is a rhombus. 18. If Ab = 10 Cm, Diagonal Bd = 16 Cm, Find the Length of Diagonal Ac. What are the Dual Properties of a Rhombus? Answer: 2 question In rhombus abcd the diagonals ac and bd intersect at e. if ae=5 and be=12 what is the length of ab - the answers to estudyassistant.com - 20102765 13. In a rhombus ABCD, m∠A = 31°. Solution for ABCD is a rhombus with diagonals that intersect at F F. Find the m ∠ A D C m∠ADC, if m ∠ A B D = 2 x + 3 m∠ABD=2x+3 and m ∠ D B C = 4 x − 1… (d) In any quadrilateral, if a pair of opposite sides are equal, it is parallelogram. Syllabus. i dont know anon. Diagonals of a Rhombus ABCD intersect each other at O then what are the measurements of vertically opposite angles AOB and COD - 25340382 D. 100. Big Ideas Math Book Geometry Answer Key Chapter 7 Quadrilaterals and Other Polygons Quadrilaterals and Other Polygons Maintaining Mathematical Proficiency If angle A= 60°and OA= 2cm, then the side of the rhombus is? Point O is a point of intersection of diagonals. Concept: Types of Quadrilaterals - Properties of Rhombus. Rhombus and its Theorems : note that ΔBOC is a right triangle, since the diagonals are perpendicular. To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW ABCD is a rhombus. Advertisement Remove all ads. Case 2 : Square or rectangle or rhombus or parallelogram. Since the diagonals of a rhombus bisect each other at right angles. Ans : (b) In a parallelogram, the diagonals … is this a valid proof of the statement 'the diagonals of a square intersect at 90°'? Apr 10, 2017 . Let and . Abcd is a Rhombus Whose Diagonals Intersect at O. In a rhombus ABCD the diagonals intersect at O if ab is equals to 13 cm and diagonal BD equals to 24 cm then the length of the diagonal AC is option 12cm,16cm, 10cm, 5cm In isosceles trapezoid SNOW, mzo = (17x + 30) and m2 S = (25x - 18) At the rhombus, the diagonals intersect at right angles, then the angle AOB = 90. Apr 10, 2017