please answer this question
Attachments:
Answers
Answered by
1
Answer:
22:7,22:7, 22:7
Step-by-step explanation:
(1) 2πr = 11
2r = 11×7/22 = 7/2 (d)
required ratio = 11 : 7/2
= 22 : 7
(2) 2πr = 22
2r = 22×7/22 = 7 (d)
required ratio = 22 : 7
(3) 2πr = 33 => 2r = 33×7/22
= 231/22 (d)
required ratio = 33 : 231/22
= 726 : 231 = 22 : 7
Similar questions