Area rule for this shape?

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Rule:  A  =  L x W

Example:  L  =   5 cm,  W  =  2 cm

A  =     L x W                                                                                   (Rule)

     =    5 x 2                                                                                     (Substitution)

     =    10 cm²                                                                                  (Answer)

Area of rectangle with L = 5 cm  and  W  =  2 cm  is 10 cm².         (Sentence)

Area rule for this shape?

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Rule:  A  =  πr²      

Example:  r  =  10 cm

A  =  πr²                                                                    (Rule)

     =  π x 10²                                                             (Substitution)

     =  100π  cm²                                                         (Answer)

Area of circle with r = 10 cm is 314 cm².                   (Sentence)                 

Area rule for this shape?

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Area rule for this shape?

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Area rule for this shape?

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Area rule for this shape?

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