Question Answers

1. Construct the following quadrilaterals. (i) Quadrilateral ABCD AB = 4.5 cm BC = 5.5 cm CD = 4 cm AD = 6 cm AC = 7 cm 1. Construct the following quadrilaterals. (i) Quadrilateral ABCD AB = 4.5 cm BC = 5.5 cm CD = 4 cm AD = 6 cm AC = 7 [...]

6. Two adjacent angles of a parallelogram have equal measure. Find the measure of each of the angles of the parallelogram. 6. Two adjacent angles of a parallelogram have equal measure. Find the measure of each of the angles of the parallelogram. October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT [...]

Water rises in a capillary tube to a height 2.0 cm. In an another capillary tube whose radius is one third of it, how much the water will rise ? If the first capillary tube is inclined at an angle of 60∘ with the vertical then what will be the position of water in the [...]

5. The measures of two adjacent angles of a parallelogram are in the ratio 3 : 2. Find the measure of each of the angles of the parallelogram. 5. The measures of two adjacent angles of a parallelogram are in the ratio 3 : 2. Find the measure of each of the angles of the [...]

4. Draw a rough figure of a quadrilateral that is not a parallelogram but has exactly two opposite angles of equal measure. 4. Draw a rough figure of a quadrilateral that is not a parallelogram but has exactly two opposite angles of equal measure. October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths [...]

3. Can a quadrilateral ABCD be a parallelogram if (i) ∠D + ∠B = 180°? (ii) AB = DC = 8 cm, AD = 4 cm and BC = 4.4 cm? (iii)∠A = 70° and ∠C = 65°? 3. Can a quadrilateral ABCD be a parallelogram if (i) ∠D + ∠B = 180°? (ii) AB [...]

2. Consider the following parallelograms. Find the values of the unknown x, y, z 2. Consider the following parallelograms. Find the values of the unknown x y Z) October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,

2. Consider the following parallelograms. Find the values of the unknown x, y, z 2. Consider the following parallelograms. Find the values of the unknown x y Z) October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,

A long capillary tube of radius 1 cm, open at both ends is filled with water and placed vertically. What will be the height of water column left in the capillary ? (Surface tension of water = 72 dyne/cm and density of water = 1 g/cm^3.) A long capillary tube of radius 1 cm open [...]

2. Consider the following parallelograms. Find the values of the unknown x, y, z 2. Consider the following parallelograms. Find the values of the unknown x y Z) October 11, 2020 Category: Maths , NCERT Class 8 ,