Respuesta :

Centio33

Answer:

a)3.39cm

b)9.39cm

Step-by-step explanation:

a) formula for length of an arc=

θ/360*2πr

θ=66

π =3.14

r=3cm

66/360*(2*3.14*3)

66/360*18.84

0.18*18.84

3.39cm

b) perimeter of shape= length of an arc+2 radii

3.39+2(3)

3.39+6

9.39cm

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