Answer:
The answer is: 1. 5 minutes and 2. 133.3 meters
Step-by-step explanation:
To find how long it takes the cyclist to travel 2km at 24km / hour, set up the equation and cross multiply:
2 / 24 = x / 1
24x = 2
x = 2/24 = 1/12 of an hour or 60 / 12 = 5 Minutes.
To find how far he travels in 20 seconds:
Multiply 24 km by 1000 to get meters per hour. Divide by 3600 to get meters per second:
24000 / 3600 = 6.6 meters per second.
Multiply by 20 seconds to get the distance traveled in 20 seconds:
6.6 * 20 = 133.3
The area of the copper circle A= 69.08
.
<u>Step-by-step explanation:</u>
Given data,
Perimeter of the Square =40 inches.
Let us find the measurement of one side.
The formula for perimeter of a square is 4a.
where a is length of one side of a square.
We know that perimeter of the square is 40.
∴ 4a=40.
a=10 inches.
Imagine that moving one side of the square into the circle.
You can observe that length of one side of square is the diameter of the circle.
∴Diameter of the circle =10 inches.
⇒ Radius of the circle r= 5 inches.
Area of the circle A= π
.
A= 3.14×5×5.
Area of the circle A= 69.08
.