Formulate the Answer.
A dinner plate (tällrik) has a diameter of 4cm. What is the area of the plate?
12,56cm2
Mary needs to fence around her backyard. The length of her backyard is 5m and the width is 8m. If fencing comes in sections of 3 how many sections does Mary need to buy?
14 sections
5x - 12 = 78
x = 18
Mary needs to fence around her backyard. Her backyard is in the shape of a circle. The distance from the middle of her backyard to the fence is 3cm. What is the omkrets of the fence?
18,86cm2