# Round cake

What is the area of a round cake with a radius of 5cm?

S =  78.5 cm2

### Step-by-step explanation:

Did you find an error or inaccuracy? Feel free to write us. Thank you!

#### 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:

## Related math problems and questions:

• Annulus
The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus.
Find the radius of the circle with area S = 200 cm².
Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
• Circle - easy 2
The circle has a radius 6 cm. Calculate:
• 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?
• Dort
The cube-shaped cube box has the dimensions of 30 cm × 30 cm × 12 cm. How many CZK (Czech crowns) would cost be the biggest cake that would fit into the box when a 10 cm³ cake costs CZK 0.5? The cake has the same shape as the box.
• Right triangle
A circle with a radius of 5 cm is described in a right triangle with a 6 cm leg. What is the height at the hypotenuse of this triangle?
• Round table
A tablecloth should be sewn on a round table with a diameter of 78 cm, which should extend around the table by 10 cm. How many cms of ribbons need to be bought for edging?
• Cake 7
1/3 of a cake shared with 4 people. What share of the whole cake has each people?
• Curved surface area CSA
A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area.
• Semicircle
Calculate the length of a semicircle with a radius of 6cm.
• Strip
From 5.9 cm wide strip should be cut rhombus with area 28 cm2. How long will be its side?
• Annulus
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm).
• A butter
A butter cube with an edge 6.5 cm long is packed in a package with dimensions a = 28 cm, b = 15 cm. Calculate how many cm2 the package is larger than the surface of the cube.
• Rhombus sides
find the sides of a rhombus, it area is 550 cm square and altitude is 55cm