angles in quadrilateral

What size have angles in quadrilateral (4-gon) if they are in a ratio of 8: 9: 10: 13?

Result

a =  72 °
b =  81 °
c =  90 °
d =  117 °

Solution:

Solution in text a =
Solution in text b =
Solution in text c =
Solution in text d =







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




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. 9-gon
    9gon Sum of interiol angles of 9-gon is:
  2. Trapezoid v3
    licho_3 The isosceles trapezoid has the angle at a firsst base 40 degrees less than the angle at second base. How large angles has this trapezoid ?
  3. Find the 9
    obtuse_triangle_1 Find the missing angle in the triangle and then name triangle. Angles are: 95, 2x+15, x+3
  4. Fifth of the number
    numbs_5 The fifth of the number is by 24 less than that number. What is the number?
  5. Obtuse angle
    UholZSobr2 Which obtuse angle is creating clocks at 17:00?
  6. The farmer
    sheep_3 The farmer had 140 sheep. For the next year, she decided to change the number of sheep in ratio 10: 7. How many sheep will he have then?
  7. Candy
    friends 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?
  8. 1.5 divided
    eq2_3 1.5 divided by 1 = w divided by 4
  9. Mother and daughter
    kresba_1 The ratio of years mother and daughter is 5:2. After 7 years the ratio is 2: 1. How many years ago daughter was born?
  10. Seven tractors
    koleso Seven tractor plowed 308 ha field in four days. How many hectares of fields will plowe 9 tractors in 3 days at the same power?
  11. Percentage reduction
    sales_percentages Reducing the unknown number by 19% get number 700.7 Determine unknown number.
  12. Roses
    zahon-s-ruzemi On the large rosary was a third white, half red, yellow quarter and six pink. How many roses was in the rosary?
  13. Apples 2
    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?
  14. Equation
    rovnice_3 Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
  15. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  16. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  17. Combine / add term
    combine Combine like terms 4c+c-7c