use the scissors to cut along the line to separate the triangle, and move it to the other side of the rectangle to make a parallelogram. You can also see that by cutting a right-angled triangle ...

CBSE: Extra questions on Chapter 9 - Areas of Parallelograms and Triangles (for CBSE Class 9 Maths exam 2020-21) are available here. These NCERT based extra questions are important for the ...