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Sagot :

Answer:

Step-by-step explanation:

It is simply the sumation of a triangle and a rectangle minus a half circle.

    area triangle + area rectangle - area half circle  = Total area

        1/2( bh )    +    bh        -  (π (d/2)²) / 2       =   Total area

         0.5(7)(6)  +    (10)(7)   -  (π (7/2)² ) / 2      =  Total area cm²

             21        +     70       -   19.24       =      71.76 cm²