hausofharris
19.02.2022 •
Mathematics
Select the correct answer. (14x^3 y^-4)(4x^-5 4y)
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Ответ:
50.27 cm²
Step-by-step explanation:
Subtract the area of the smaller circle from the area of the larger circle
The area of a circle = πr² ( r is the radius )
area = π × 5² - π × 3² = 25π - 9π = 16π ≈ 50.27 cm² ( nearest hundredth )