isimplyblue
contestada

Jolly measured the cake. Then she calculated that it has a circumference of 15cm. what is the cake's diameter? Use 3.14 for pi.
Will mark brainlest.

Jolly measured the cake Then she calculated that it has a circumference of 15cm what is the cakes diameter Use 314 for pi Will mark brainlest class=

Respuesta :

samuelonum1

Answer:

4.76cm

Step-by-step explanation:

Given data

circumference= 15cm

The expression for circumference is

C= 2πr

substitute and solve for r

15= 2*3.14*r

r= 15/ 2*3.14

r=15/ 6.28

r= 2.38 cm

Hence the diameter is

D= 2r

D= 2*2.38

D=4.76cm

Otras preguntas