Answer the following questions about the circumference of a circle. X
a+b
Learning Help
aids solve ti
Tools
Enlarge Q
d) The length of a helicopter blade, from the rotor hub to the blade's tip, is 7.3 m.
Work out the distance the tip travels through in one revolution. Give your answer to the nearest 10 cm.
-radius
Blade tip travels a distance of
m (to the nearest 10 cm).
centre of circle
diameter.

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places