a rectangular sign is 2m high and 4m wide what is its perimeter in cm and mm
P = 2L + 2W
P = 2(4) + 2(2)
P = 12 m
1 m = 100 cm
To find the perimeter of a rectangular sign, you need to add up the lengths of all its sides.
Given that the rectangular sign is 2 meters high and 4 meters wide, you can calculate the perimeter in centimeters (cm) by following these steps:
1. Convert the dimensions from meters to centimeters. Since there are 100 centimeters in 1 meter, you multiply each dimension by 100.
Height in cm = 2 meters * 100 cm/meter = 200 cm
Width in cm = 4 meters * 100 cm/meter = 400 cm
2. Add up the lengths of all four sides to find the perimeter in centimeters:
Perimeter in cm = 2 * (height + width) = 2 * (200 cm + 400 cm) = 2 * 600 cm = 1200 cm
To calculate the perimeter in millimeters (mm), you can follow the same steps but convert the dimensions to millimeters instead of centimeters:
1. Convert the dimensions from meters to millimeters. Since there are 1000 millimeters in 1 meter, you multiply each dimension by 1000.
Height in mm = 2 meters * 1000 mm/meter = 2000 mm
Width in mm = 4 meters * 1000 mm/meter = 4000 mm
2. Add up the lengths of all four sides to find the perimeter in millimeters:
Perimeter in mm = 2 * (height + width) = 2 * (2000 mm + 4000 mm) = 2 * 6000 mm = 12000 mm
So, the perimeter of the rectangular sign is 1200 cm and 12000 mm.