# Rotating cone II

Calculate area of surface of rotating cone with base radius r=19 cm and height h=9 cm.

Correct result:

S =  23.89 dm2

#### Solution: 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
Do you want to convert area units?
Pythagorean theorem is the base for the right triangle 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:

• Area of the cone Calculate the surface area of the cone, you know the base diameter 25 cm and a height 40 cm.
• Rape The agricultural cooperative harvested 525 ares of rape, of which received 5.6 tons of rape seeds. Calculate the yield per hectare of rape.
• Greenhouse Garden plastic greenhouse is shaped half cylinder with a diameter of 6 m and base length 20 m. At least how many m2 of plastic is need to its cover?
• Pipe How long is the pipe with an outside diameter of 1.44 m if his coloring consumed 44 kg of color. 1 kg of color coverage is 9 m2.
• Fit ball What is the size of the surface of Gymball (FIT - ball) with a diameter of 65 cm? Alaska is the largest state in the United States and has a surface area of approximately 588,000 square miles. Montana has a surface area that is approximately 25% of the surface area of Alaska. What is the approximate surface area of Montana?
• 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?
• Land areas Two land areas is 244 m2. The first parcel is 40 m2 less than twice of the second one. What have acreage of each parcel?
• 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? Convert magnitude of the angle α = 9°39'15" to radians:
• Cancer Of the 80 people 50 people ill cancer. What percentage of people isn't ill?
• Enrollment The enrollment at a local college increased 4% over last year's enrollment of 8548. Find the increase in enrollment (x1) and the current enrollment (x2).
• Divisible by 5 How many three-digit odd numbers divisible by 5, which are in place ten's number 3?
• 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?
• Shots Determine the percentage rate of keeper interventions if from 32 shots doesn't caught four shots.
• Temperature conversion The normal human body temperature is 98.6 degrees Fahrenheit. What is the temperature in degrees Celcius?
• Feet to miles A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?