# Meridian

What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km?

Result

x =  2557.1 km

#### Solution: Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! #### To solve this example are needed these knowledge from mathematics:

Do you want to convert length units?

## Next similar examples:

1. Circles Three circles of radius 95 cm 78 cm and 64 cm is mutually tangent. What is the perimeter of the triangle whose vertices are centers of the circles?
2. Theorem prove 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. Average If the average(arithmetic mean) of three numbers x,y,z is 50. What is the average of there numbers (3x +10), (3y +10), (3z+10) ?
4. Today in school There are 9 girls and 11 boys in the class today. What is the probability that Suzan will go to the board today?
5. Trapezium ABCD In the figure, ABDC is a trapezium in which AB || CD. line segments RN and LM are drawn parallel to AB such that AJ=JK=KP. If AB=0.5m and AP=BQ=1.8m, find the lengths of AC, BD, RN and LM. angle D=angle C=60
6. Reference angle Find the reference angle of each angle:
7. Three unknowns Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
8. Confectionery The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
9. Legs Cancer has 5 pairs of legs. The insect has 6 legs. 60 animals have a total of 500 legs. How much more are cancers than insects?
10. PIN - codes How many five-digit PIN - code can we create using the even numbers?
11. Sequence Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
12. Sequence 2 Write the first 5 members of an arithmetic sequence a11=-14, d=-1
13. Chords How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
14. Teams How many ways can divide 16 players into two teams of 8 member?
15. Sequence Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
16. Examination The class is 21 students. How many ways can choose two to examination?
17. Blocks There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?