9th Maths 2 Geometry Problem Set 5 Quadrilaterals Chapter 5 Lecture 1| Std 9th Maharashtra Board скачать в хорошем качестве

9th Maths 2 Geometry Problem Set 5 Quadrilaterals Chapter 5 Lecture 1| Std 9th Maharashtra Board

This Video explains Problem Set 5 Class 9 of Quadrilaterals Chapter 5. Follow me on Telegram channel where I share regular updates. https://t.me/yogeshsirsbackbenchers #Geometry #Class9 #9thMaths Question 1. Choose the correct alternative answer and fill in the blanks. i. If all pairs of adjacent sides of a quadrilateral are congruent, then it is called ____. (A) rectangle (B) parallelogram (C) trapezium (D) rhombus ii. If the diagonal of a square is 22√2 cm, then the perimeter of square is ____. (A) 24 cm (B) 24√2 cm (C) 48 cm (D) 48√2 cm iii. If opposite angles of a rhombus are (2x)° and (3x – 40)°, then the value of x is ____. (A) 100° (B) 80° (C) 160° (D) 40° Question 2. Adjacent sides of a rectangle are 7 cm and 24 cm. Find the length of its diagonal. Question 3. If diagonal of a square is 13 cm, then find its side. Question 4. Ratio of two adjacent sides of a parallelogram is 3 : 4, and its perimeter is 112 cm. Find the length of its each side. Question 5. Diagonals PR and QS of a rhombus PQRS are 20 cm and 48 cm respectively. Find the length of side PQ. Question 6. Diagonals of a rectangle PQRS are intersecting in point M. If ∠QMR = 50°, then find the measure of ∠MPS. Question 7. In the adjoining figure, if seg AB || seg PQ , seg AB ≅ seg PQ, seg AC || seg PR, seg AC ≅ seg PR, then prove that seg BC || seg QR and seg BC ≅ seg QR. Question 8. In the adjoining figure, □ABCD is a trapezium. AB || DC. Points P and Q are midpoints of seg AD and seg BC respectively. Then prove that PQ || AB and PQ = 1/2( AB + DC). Question 9. In the adjoining figure, □ABCD is a trapezium. AB || DC. Points M and N are midpoints of diagonals AC and DB respectively, then prove that MN || AB.