rayshawnoli
rayshawnoli rayshawnoli
  • 26-01-2021
  • Mathematics
contestada

A DVD has a diameter of 18 centimeters. What is the area of the DVD? Round your answer to the nearest hundredth. Use 3.14 for π.

Respuesta :

honeygemeni0620
honeygemeni0620 honeygemeni0620
  • 26-01-2021
the area is about 113.04 centimeters
Answer Link
Аноним Аноним
  • 23-04-2021

Answer:

254.34 cm²

Step-by-step explanation:

A = πr2 Use the formula.

A = π(9)2 Substitute. Use 9 for r.

A ≈ 3.14 × 92 Substitute. Use 3.14 for π.

A ≈ 3.14 × 81 Evaluate the power.

A ≈ 254.34 Multiply.

The area of the DVD is about 254.34 cm².

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