Question

by 15. Find the square 15 16. The radius of a sector is 21cm and its central angle is 120° Find (1)The length of the arc 17. Find the area of the sectors, length of the arc = 48m, r = 10m. IV.Answer the following (any 4) 5x4=20 18. Simplify ( + ) + 6+) + (23) 19. Write the following rational numbers in Ascending and Descending order. 3 -7 15 -14 8 5'10'20' 30' 15" 20. Find the square root by long division method (i) 1369 21. Find the square root decimal number. (i) 51.84 22. Kamalesh has a dining table, circular in shape of radius 70cm whereas Tharun has circular quadrant table of radius 140cm whose dining table has a greater area? a? (n = 4) 1x10=10 23. Construct the following trapeziums with the given measures and also find their area. AIMS with AT ||SM, AI = = 6cm, IM = 5cm, AM = 9cm AND MS = 6.5cm. Or​

Answer 1

Answer:

By definition,

Average=

5

x+(x+3)+(x+6)+(x+9)+(x+12)

=

5

5x+30

=x+6