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.
- Tree trunk
Calculate the average tree trunk with a circumference of 149 cm.
- Circle - simple
Calculate the area of a circle in dm2, if its circumference is 31.4 cm.
- Cleaning windows
Cleaning company has to wash all the windows of the school. The first day washes one-sixth of the windows of the school, the next day three more windows than the first day and the remaining 18 windows washes on the third day. Calculate how many windows ha
Point on the circle is the end point of diameter and end point of chord length of radius. What angle between chord and diameter?
- Circle - simple
The circumference of a circle is 930 mm. How long in mm is its diameter?
- Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?
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?
- Obtuse angle
Which obtuse angle is creating clocks at 17:00?
What is the radius of the circle whose perimeter is 6 cm?
- Bicycle wheel
After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
- Equation with x
Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9
- 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.