RD Sharma Solutions for Class 8 Maths - Practical Geometry - Free PDF Download
FAQs on RD Sharma Class 8 Maths Solutions Chapter 18 - Practical Geometry
1. Is it easy to construct a quadrilateral?
Constructing a quadrilateral is, anyways, not a big task but when the five measures of a quadrilateral are specified, it is fairly simple to create one.
The four sides' lengths, as well as the diagonal length, are known.
The three sides' lengths, as well as the lengths of the two diagonals, are known.
If you know the three angles and two adjacent sides, you can solve the problem.
If you have three sides and two angles, you can make a triangle.
2. When can a unique quadrilateral be constructed?
We need at least five measurements of sides and angles to draw a unique quadrilateral. However, having the dimensions of any five combinations of sides and angles does not guarantee that we will receive a unique quadrilateral.
1. If we are given the measurements of four sides and one diagonal of a quadrilateral, we can design a unique quadrilateral.
2. If we are given the measurements of two diagonals and three angles of a quadrilateral, we will not be able to design a unique quadrilateral.
3. Is it important to solve every question of the exercises?
Yes, it is very important to solve all the questions of all the exercises because questions are never the same; there might be one or more than one change(s) in the question and any of such questions can come in your exam so you must have already solved it beforehand to solve in the examination as well. Apart from this, it also enhances your problem-solving ability and the practice you will be doing of solving every question will help you perform better in your exams as practice is everything.
4. What are some key points to remember for the chapter Practical Geometry?
There are many things that one should keep in mind while constructing quadrilaterals, a few of them are listed below:
It is necessary to know at least five independent elements to draw the quadrilateral properly.
With enough data (other than five simple situations), a quadrilateral can be constructed with less than five pieces but some other relationships between them.
Drawing a basic sketch of the quadrilateral and indicating the data on it is convenient and helpful in all circumstances.
5. How to construct a rhombus?
The rhombus itself is a quadrilateral and can be constructed by following some simple steps. To construct a rhombus, the steps are given below.
Draw a perpendicular bisector of the diagonal base and a diagonal of a given length.
Cut off arcs on both sides of the perpendicular bisector with half of the supplied measurement of the second diagonal. It will yield two rhombus points.
Connect these points to the first diagonal points. It will produce the rhombus that is necessary.
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