Question

A circular plate has circumference 33.9 inches. use 3.14 for π

Answer 1

Answer:

79.3

Step-by-step explanation:

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Answer 2

Correct Question :

• A circular plate has circumference 33.9cm. find its area. use 3.14 for π.

Given :

• Circumference of Circle = 33.9cm
• Value of π = 3.14

To Find :

• Area of Circular plate

Formulas :

• Circumference of Circle = 2πr
• Area of Circle = πr²

Solution :

Finding the radius of circular plate :

⠀⟶⠀Circumference of plate = 2πr

⠀⟶⠀33.9 = 2 × 3.14 × radius

⠀⟶⠀33.9 = 6.28 × radius

⠀⟶⠀33.9/6.28 = radius

⠀⟶⠀5.39 = radius⠀⠀⠀⠀⠀[approx]

Finding area of circular plate :

⠀⟶⠀Area of plate = πr²

⠀⟶⠀Area of plate = 3.14 × (5.39)²

⠀⟶⠀Area of plate = 3.14 × 5.39 × 5.39

⠀⟶⠀Area of plate = 3.14 × 29.05

⠀⟶⠀Area of plate = 91.21cm²

So, Area of Circular plate is 91.21cm²

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