Math, asked by dudidipesh8gmailcom, 1 year ago

Fill in the blanks.
(a) The perimeter of the protractor shown in the following
..
- 21cm

Answers

Answered by basavaraj5392

0

Answer:

Given : radius of protractor is 21cm.

Perimeter of a protractor = perimeter of semi circle

Perimeter of a protractor = 2πr + d

= 2(22/7)21+2(21)

= 2(22)3+42

= 44(3)+42

= 132+42

= 174 cm

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