# Circular flowerbed

Circular flowerbed with diameter 8 m we split by concentric circle to circle and annulus with the same area. Determine the radius of the circle.

**Result****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:

- Circular lawn

Around a circular lawn area is 2 m wide sidewalk. The outer edge of the sidewalk is curb whose width is 2 m. Curbstone and the inner side of the sidewalk together form a concentric circles. Calculate the area of the circular lawn and the result round to 1 - Cable

Cable consists of 18 strands, each strand consists of 14 wires with diameter d = 0.8 mm. Calculate the cross-section of the cable. - 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? - Ace

The length of segment AB is 24 cm and the point M and N divided it into thirds. Calculate the circumference and area of this shape. - Circle - simple

Calculate the area of a circle in dm^{2,}if its circumference is 31.4 cm. - Annulus

Two concentric circles form an annulus of width 10 cm. The radius of the smaller circle is 20 cm. Calculate the content area of annulus. - Radius

Determine the radius of the circle, if its perimeter and area is the same number. - Product - quadratic equation

Product of two numbers is 900. If we increase lowest number by 2 then product will increase by 150. Determine both numbers. - Square Number

If to a square of integer number add 49, we get the square of next integer number. What is the original number? - Equation

Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number. - Simple equation

Solve for x: 3(x + 2) = x - 18 - Fifth of the number

The fifth of the number is by 24 less than that number. What is the number? - Unknown number

Identify unknown number which 1/5 is 40 greater than one tenth of that number. - Bakery and flour

The bakery tray for flour was filled to 3/4 volume. After removing 875 kg of flour, it was filled to only 2/5 of the volume. How many tons of flour is in the full tray? - Apples 2

How many apples were originally on the tree, if the first day fell one third, the second day quarter of the rest and on tree remained 45 apples? - Roses

On the large rosary was a third white, half red, yellow quarter and six pink. How many roses was in the rosary? - Sales stores

The first sales store passed the 1/3 and the second 2/5 of the total amount of goods.In third store passed the 2/3 rest of the goods. The remaining 40 kg of goods put into fourth store. How many kilograms of goods pass to a third store?