16 cm
24 square centimeters
3cm + 4cm + 3cm + 4cm = 14 cm
The perimeter is the addition of the all the sides of the shape. For example if a rectangle has two sides which are 4cm and two sides which are 7cm, then the perimeter will be 4cm+4cm+7cm+7cm. The perimeter would therefore be 22cm. The area of a shape is gotten by multiplying the length and breadth of the shape. For example, in a rectangle witrh the same measurements above, the area will be 4cm x 7cm and that would 28cm. You have to use the square sign but I can't do that here.
4cm x 5cm
12cm
16 cm
The length should be 6cm and the width is 4cm.
Perimeter = 6cm + 6cm + 9cm + 9cm = 30cm
The perimeter of a rectangle whose length is 5cm wit a width of 6cm is 22cm
22cm
36cm
28cm
24 square centimeters
You multiply 6 and 4.
22 cm
12cm