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Who measured the size of the earth using a shadow stick and knowing the distance between two cities?
Eratosthenes, a Greek mathematician and astronomer, measured the size of the Earth using a shadow stick in the city of Alexandria and knowing the distance to the city of Syene. By observing the angle of the shadow at each location and using basic geometry, he was able to calculate the Earth's circumference.
Who was the first mathematician to have measured the circumference of the earth?
Eratosthenes of Cyrene using shadows at two different places in Egypt. An amazing achievement for those times (about 200-250BC)
What contributions did thales make to the mathematics?
he fiqued out the height of a pyramid using the length of its shadow and he was one of the first people to use geometry to solve practical problems.
What was thales contribution in field of mathematics?
he fiqued out the height of a pyramid using the length of its shadow and he was one of the first people to use geometry to solve practical problems.
What mathematician invented how to graph a line using intercepts?
It was the French mathematician Rene Descartes who created the coordinate plane.
What is the center of mass of a square based pyramid when its height is given?
I think, it lies in 1/4 of height measured from the base(in the centre of the square, of course) I did the calculation using integral
How voltage measured?
It is measured using a Voltmeter
How can acceleration be measured?
Acceleration can be measured using an accelerometer.
What are some properties of matter that can be measured using tools?
Properties of matter that can be measured using tools include mass (measured using a balance), volume (measured using a graduated cylinder), density (calculated using mass and volume), temperature (measured using a thermometer), and pressure (measured using a pressure gauge).
What 3d object can you make using 4 triangles?
A tetrahedron or triangular pyramid.
How temperature is measured using 8051 micro-controller?
how temperature is measured using 8051 micro-controler?
How did the workman get out of the pyramid?
Using the escape shafts.
