Similarity

The area of the regular 10-gon is 563 cm2. The area of similar 10-gon is 606 dm2.

What is the coefficient of similarity.

Result

k =  12.98

Solution:

Solution in text k =







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

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this verbal math problem are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

  1. Flowers 2
    tulipany_4 Cha cruz has a garden. The ratio roses to tulips is 2 : 5, the ratio of roses to orchids is 7 : 6. Cha cruz wonders what the ratio of tulips to orchids is. If Cha cruz has 183 plants, how many of each kind are there?
  2. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  3. Square roots
    roots What is equal to the product of the square roots of 295936?
  4. Adding percentages
    percent 55%+36%+88%+71%+100=63% what is whole (X)? Percents can be added directly together if they are taken from the same whole, which means they have the same base amount. .. . You would add the two percentages to find the total amount.
  5. Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  6. Quadratic equation
    Parabola_tangent Quadratic equation ? has roots x1 = -26 and x2 = -86. Calculate the coefficients b and c.
  7. School
    662536762_868 School attend 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)?
  8. Calculation
    pocty How much is sum of square root of six and the square root of 225?
  9. Equation
    cubic How many real roots has equation ? ?
  10. Children
    children_3 The group has 42 children. There are 4 more boys than girls. How many boys and girls are in the group?
  11. Power
    power Number ?. Find the value of x.
  12. Quadratic equation
    parabola_1 Solve quadratic equation: 2x2-58x+396=0
  13. Geometric progression 4
    square_rot_1 8,4√2,4,2√2
  14. Three unknowns
    matrix_1 Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
  15. Apples
    apples_5 A 2 kg of apples cost a certain sum of money. This sum is equal to the amount of kilograms for which we pay 72 CZK. How much is 1 kg of apples?
  16. Confectionery
    cukrovinky The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
  17. Reference angle
    anglemeter Find the reference angle of each angle: