# Arc

What area of a circle occupied the flowers planted in the arc of a circle with radius 4 m with central angle 45°?

Correct result:

S =  6.28 m2

#### Solution:

$S=\pi \cdot \ 4^{ 2 } / 8=6.28 \ \text{m}^2$

Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!

Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

Tips to related online calculators
Check out our ratio calculator.

#### You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem:

## Next similar math problems:

• Three segments
The circle is divided into 3 segments. Segment A occupies 1/4 of the area, segment B occupies 1/3 of the area. What part is occupied by section C? In what proportion are areas A: B: C?
• Garden
The garden around the new majer is divided as follows: 35% vegetable, 30% fruit orchards, 10% flowers and the remaining 120 m2 are lawns. What is the total area of the garden?
• Disc
Circumference of the disk is 78.5 cm. What is the circumference of the circular arc of 32° on the disc?
• Arc
The length of the circle is 41 amd arc length of the circle 9. What is the magnitude of the angle of this arc?
• Pipe cross section
The pipe has an outside diameter 1100 mm and the pipe wall is 100 mm thick. Calculate the cross section of this pipe.
• Wheels
Small tractor wheel with a diameter of 60 cm must be rotated 8 times to overcome some pathway. How many times must turn the big tractor wheel with a radius 60 cm to overcome the same distance?
• 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?
• Regular octagon
Draw the regular octagon ABCDEFGH inscribed with the circle k (S; r = 2.5 cm). Select point S' so that |SS'| = 4.5 cm. Draw S (S '): ABCDEFGH - A'B'C'D'E'F'G'H'.
• Bridge
The bridge arc has a span 34 m and height 3 m. Calculate the radius of the circle arc of this bridge.
• Circle r,D
Calculate the diameter and radius of the circle if it has length 52.45 cm.
• Mine
Wheel in traction tower has a diameter 4 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 89 times?
• Candy
Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
• Type of triangle
How do I find the triangle type if the angle ratio is 2:3:7 ?
• Isosceles trapezoid v3
In an isosceles trapezoid ABCD is the size of the angle β = 81° Determine size of angles α, γ and δ.
• 1.5 divided
1.5 divided by 1 = w divided by 4
• Waiting room
In the waiting room are people and flies. Together they have 15 heads and 50 legs (fly has 6 legs). How many people and flies are in the waiting room?
• Divisible by 5
How many three-digit odd numbers divisible by 5, which are in place ten's number 3?