Math, asked by toxicantthakur, 1 year ago

If the perimeter of a semicircular protractor is 36 cm, then find its radius.

Jhampakia: it is 11.4 cm

toxicantthakur: sorry but the answer is 7

toxicantthakur: it is given

Jhampakia: but how??

toxicantthakur: i don't know

toxicantthakur: i think the formula is

toxicantthakur: pi*r+d

Jhampakia: okay then

Jhampakia: good night

toxicantthakur: good nyt

Answers

Answered by somu61

formula is - pie R +2R
pie R+2R=36
R(PIE+2)=36
R(36/7)
R=36x7/36
R=7 cm

somu61: AP for multiples of 3=3,6,9,12...........27

somu61: a=9 d=3. last term = 27

somu61: n/2[a+l]

somu61: 9/2[3+27]

somu61: 9/2 x 30

somu61: 9 x 15

somu61: 135= ans

toxicantthakur: thnqq

somu61: its my pleasure

somu61: ☺☺

Answered by adeeladilu2

here is ur answer

stay safe and stay healthy!

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