SaiBook.us Geometry

Lesson

Title: Computing Perimeter of Rectangle

Grade: 2-a Lesson: S1-L7

Explanation: Hello students, let us learn a new topic in geometry today with definitions, concepts, examples, and worksheets included.

Lesson:

Definition: Rectangle

A rectangle has four sides: straight line segments connecting consecutive vertices.

The opposite sides of a rectangle are equal in length and parallel.

$1$

Explanation: A rectangle measuring 5 cm in length and 4 cm in width has a perimeter of 18 cm.

\$2(l + w) = 2(5 + 4 ) = 2(9) = 18 cm\$