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miv72 [106K]
3 years ago
14

Please help me with this question

Mathematics
1 answer:
olchik [2.2K]3 years ago
6 0

9514 1404 393

Answer:

  40.0 square inches

Step-by-step explanation:

The radius of each pie is half its diameter. The difference of areas can be found by using the area formula for each pie.

  A = πr²

  ΔA = π(10/2 in)² -π(7/2 in)² = (π/4)(100 -49) in² = 3.14(12.75 in²) ≈ 40.0 in²

The larger pie has a greater area by about 40.0 square inches.

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