Answer:
81 pi centimeters squared
Step-by-step explanation:
Area of circle = πr²
18/2 = 9
π9²
π(9 x 9)
π81
0.28 and 7/25................
Answer:
less than (10 es menos de 1)
The required figure is attached below :
Answer:
138 feet²
Step-by-step explanation:
To obtain the amout of rubber flooring needed to cover the floor, we take the area of the figure below :
A breakdown of the first gure is also attached below :
Area of rectangle (1) = Length * width = 15 feets * 6 feets = 90 ft²
Area of rectangle (2) = length * width = 6 feets * 8 feets = 48 feets
Area 1 + Area 2
90 feet² + 48 feet² = 138 feet²