Question

Write at least 4-5 sentences on the different measurements that helped to calculate the speed of light.

Answer 1

Google is your friend as there are a number of websites that discuss the history of the measurement of the speed of light. Here's one such site: http://www.speed-light.info/measure/speed_of_light_history.htm . There are other sites that give more detailed--and more interesting--accounts of said measurements.