Class 8 Maths | Chapter 4 Quadrilaterals | Figure it Out | Page 94 | Question 4-5 | Ganita Prakash 1
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Class 8 Maths | Chapter 4 Quadrilaterals | Figure it Out | Page 94 | Question 4-5 | Ganita Prakash 1
190 просмотров · 1 месяц назад
Pencil Maths
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190 просмотров · 1 месяц назад
Let's study Class 8 Maths, Chapter 4: Quadrilaterals, from the new NCERT book, Ganita Prakash 1, "Figure it out," on Page 94, Questions 4 and 5.
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Figure it Out
4. We have seen how to get 90° using paper folding. Now, suppose we do not have any paper but two sticks of equal length, and a thread. How do we make an exact 90° using these?
5. We saw that one of the properties of a rectangle is that its opposite sides are parallel. Can this be chosen as a definition of a rectangle? In other words, is every quadrilateral that has opposite sides parallel and equal, a rectangle?