Find the perimeter of protractor of radius 10.5.
Please let me know fast ..........
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Answer:
A protractor is in the shape of a semicircle
Perimeter of Semicircle = 1/2 of perimeter of circle + diameter
= 1/2*22/7*2*10.5 + 21
= 33+21
= 54cm
Hope this helps.
smithamenon111:
Are you sure???
How you got 21??
Ysss now I understood. Thnx
No problem. For 21 I just multiplied radius by 2.
Ok
Thanks for helping me.
Always ready to help...
MAybe the star rating can go up... ;-p
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