Image caption, All three sides of an equilateral triangle are the same length. The word equilateral means equal lines. Each angle is the same size. Each angle is 60°. Image caption, An ...

To solve the puzzle, the trio grouped possible dissections of an equilateral triangle based on how the ... in each shape and comparing the edge lengths and angles. If a path in the square had ...

CBSE: Check important extra questions for the upcoming CBSE Class 9 Maths exam 2020-21 from Chapter 7 Triangles of Class 9 Maths NCERT textbook. Answers to all the problems are also available here.