Answered

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The outer and inner diameters of a circular ring are
34 cm and 32 cm, respectively. Then, find the area of ring

Sagot :

samuelonum1

Answer:

103.686cm^2

Step-by-step explanation:

Given data

Outer diameter= 34cm

Outer Radius= 34/2= 17cm

Area= πr^2

Area of outer ring=  3.142*17^2

Area of outer ring=  3.142*289

Area of outer ring=  908.038cm^2

inner diameter= 32cm

inner Radius= 32/2= 16cm

Area= πr^2

Area of outer ring=  3.142*16^2

Area of outer ring=  3.142*256

Area of outer ring=  804.352cm^2

Hence the radius of the ring is

=Area of outer - Area of inner

=908.038-804.352

=103.686cm^2

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