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Perimeter of the sector = L + 2r

L - length of sector

r - radius

Question 1 :

Find the perimeter of sector whose radius is 42 cm and central angle is 60°

Question 2 :

Find the perimeter of sector whose radius is 21 cm and central angle is 120°

Question 3 :

Find the perimeter of sector whose radius is 35 cm and central angle is 72°

Question 4 :

Find the perimeter of sector whose radius is 10.5 cm and central angle is 36°

Question 5 :

Find the perimeter of sector whose area is 770 square cm and central angle is 90°

Question 6 :

Find the perimeter of sector whose area is 30.8 square cm and central angle is 72°

Question 7 :

Find the perimeter of sector whose area is 616 square cm and central angle is 90°

Question 8 :

Find the perimeter of sector whose area is 154 square cm and radius is 28

Question 9 :

Find the perimeter of sector whose area is 77 square cm and radius is 14

Question 10 :

Find the perimeter of sector whose length of arc is 56 cm and radius is 21