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20.09.2020 •
Mathematics
a TV and DVD player were brought for rupees 10,000 . the shopkeeper made a loss of 6% on the DVD player and profit of 7% on the TV find the gain or loss percent of the shopkeeper on the whole transaction
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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 )