Question

the inner and outer radios of circle are 4cm and 5cm find the area of the cross section (use π = 3.14)​

Answer 1

Answer:

28.26

Step-by-step explanation:

Inner radius r = 4 cm  

Outer radius r=5cm

Area of cross section of pie = \pi {R sq. - r sq.}  

                                               3.14 { 5 sq. - 4 sq. }

                                               3.14 { 25 - 16 }

                                               3.14 { 25 - 16 }

=28.26

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