A rectangle has 4 sides and 4 interior angles that add up to 360 degrees
A rectangle, a triangle, and a 4 degree angle.
20cm all you have to do is add up all the sides together!
2 x 10 = 20 2 x 20 = 40 add them up 60km
all the angles are right angles (90 degrees) and add to 360 degrees
Add up all the sides of the rectangle.
You add up all of the sides of the rectangle.
add up all the sides
The four interior angles of a rectangle add up to 360 degrees
You can`t be sure of the individual sides. A one inch by sixteen inch rectangle, an eight by two inch rectangle, a four inch by four inch rectangle all have the same area (16 square inches) but the first rectangle`s sides add up to 34, the second rectangle`s sides add up to 20, the third rectangle`s sides add up to 16
square units of measurement
you add all the sides up
The 4 interior angles of a rectangle add up to 360 degrees
The formula for finding the perimiter of a rectangle is add up all of its sides
A rectangle has 4 interior right angles that add up to 360 degrees
You just add up all the sides :)
You add all the sides up.