CBSE Class 7 Maths Perimeter and Area
Area of Parallelograms
The parallelograms, rectangles or squares on the same base and between the same parallels, are equal in area.
If triangle and parallelogram are on the same base and between the same parallels then area of the triangle is half of the area of parallelograms.Area of Triangles
Minors and cofactors of determinants. Evaluate determinant of order 3. Singular matrixPerimeter and Area of Circles
Perimeter and Area of CirclesPerimeter of Polygons
Learn to compute perimeter and area of polygons like triangles, parallelogram,rectangle,square etc.Learn to compute the area of cross roads and polygonal regions. Study the computation of circumference and area of a circle