What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
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?
What is the radius of the circle whose perimeter is 6 cm?
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) ?
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
- 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
Wheel in traction tower has a diameter 2 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 66 times?
- Reference angle
Find the reference angle of each angle:
It is true that the lines that do not intersect are parallel?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
Is true equality? ?
How many ways can divide 16 players into two teams of 8 member?
- Elimination method
Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15
The class is 21 students. How many ways can choose two to examination?
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.