Sagot :
Answer with Step-by-step explanation:
Circumference = 2πr
- r = radius
- π = pi ≈ 3.14
Circumference = πd
- d = diameter
- d = 2(radius)
- radius = (diameter)/2
9) Find the circumference of the circular land:
Circumference = 2(3.14)(40 meters)
Circumference = 251.2 meters
10.) Cost of wire = (Php 125/meter) × (251.2 meters)
Total cost of wires needed = Php 31,400.00
11.) Radius = 15.3 centimeters.
Circumference = 3πr
Circumference = 2(3.14)(15.3 centimeters)
Circumference = 96.084 or 96.1 centimeters
12.) Diameter = 26.4 inches
Circumference = πd
Circumference = (3.14)(26.4 inches)