In terms of their areas, Visible Card = Total Card - Picture
= 18*11 - 12*7 = 198 - 84 = 104 cm2.
square centimeters
square centimeters
Area of the border: (18*11) -(12*7) = 114 square cm
The area of the picture frame is 204 square centimeters. This can be calculated by multiplying the length (17 cm) by the width (12 cm).
20 cm times 15 cm = 300 square cm
You don't. Centimeters are length. Square centimeters are area.
The area in square centimeters is: 176.7
The radius are 7 centimeters and the area are 153.93804002589985 square centimeters.
A cylinder with a radius of 5 centimeters and height of 9 centimeters
For a radius of 5 centimeters the area are 78.53981633974483 square centimeters.
The area of a circle with a diameter of 8 centimeters is: 50.27 square centimeters.
A circle with a diameter of 18 centimeters has an area of 254.47 square centimeters.