Question

guys send me the solution of this questions please​

Answer 1

Answer:

circumference formula=√r²

Answer 2

Answer:

Step-by-step explanation:

(i) Circumference  =  2* 1/2 * 22/7 * (2.1)

                              =  6.6 cm ^2

(ii) Circumference = 2 * 3/4 * 22/7 * (2.8)

                              = 13.2 cm^2

(iii) Perimeter = 2(20 + 14) = 68 cm^2

(iv) Perimeter = 5.6 * 5.6 = 31.36 cm^2

Hope it helps ;)