Calculate the length of the circular arc if the diameter d = 20cm and the angle alpha = 142 °
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
- Circle r,D
Calculate the diameter and radius of the circle if it has length 52.45 cm.
- Circle - simple
Calculate the area of a circle in dm2, if its circumference is 31.4 cm.
- Tree trunk
Calculate the average tree trunk with a circumference of 149 cm.
- Circumference - a simple
What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places.
Wheel in traction tower has a diameter 2 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 66 times?
Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times?
- Wheel diameter
A 1m diameter wheel rolled along a 100m long track. How many times did it turn?
How many 50-cent coins must be put in a row that next 50-cent coins after them (above) rolled on it axis?
- Isosceles trapezoid v3
In an isosceles trapezoid ABCD is the size of the angle β = 81° Determine size of angles α, γ and δ.
- Obtuse angle
Which obtuse angle is creating clocks at 17:00?
- Degrees to radians
Convert magnitude of the angle α = 9°39'15" to radians:
What is the radius of the circle whose perimeter is 6 cm?
- Two circles
Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles?
- Bicycle wheel
After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
- Typing course
Before taking a typing course, Terrence could type 39 words per minute. By the end of the course, he was able to type 68 words per minute. Find the percent increase.
Three-quarters of an unknown number are 4/5. What is 5/6 of this unknown number?