Final answer:
The circumference of the circular piece of glass is 5.652m and the area is 2.5434m².
Step-by-step explanation:
The diameter of the circular piece of glass is given as 1.8m. To find the circumference, we use the formula C = πd, where C is the circumference and d is the diameter. Given that π is approximately 3.14, we can calculate:
Circumference = 3.14 x 1.8m = 5.652m
To find the area of the circular piece of glass, we use the formula A = πr^2, where A is the area and r is the radius (half the diameter). The radius can be calculated as 1.8m/2 = 0.9m. Plugging the values into the formula:
Area = 3.14 x (0.9m)^2 = 2.5434m²
Learn more about Calculating circumference and area of a circle