Get NCERT Solutions for Class 7 Mathematics, Chapter 5 – Lines and Angles. This chapter is one of the most important chapters of CBSE Class 7 Mathematics subject. Students of Class 7 are advised to ...

Abstract: The definition of n-order complete four angles problem and n-order incomplete four angles problem are introduced firstly, and then the solving methods of odd and even order incomplete four ...

The CBSE section of Jagran Josh has come up with chapter-wise test series of Mathematics for students of Class 9th. This test series consist of MCQs questions for Mathematics. All the questions are ...

A country’s entire economy and growth revolves around different aspects of mathematics. The role of mathematics in national, regional and international developments has become more evident in ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon into ...

1 Faculty of Mathematics and Natural Sciences, Institute of Mathematics Education, University of Cologne, Cologne, Germany 2 Faculty of Education, University of Hamburg, Hamburg, Germany In this ...