Question

A circular disc has a radius 10 cm. Find the area of the disc in m2. (Use π = 3.14)

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Answer 1

➠Answer:

The area of the disc is 314 cm²

➠Given :

• Radius of circular disc (r) = 10 cm

• Use π = 3.14

➠Find :

• The area of the disc in cm²

➠Solution :

★ As we know that

Formula of area of circular disc

Area of circular disc = π r²

⇒ 3.14 × 10 × 10

⇒ 3.14 × 100

⇒ 314

⇒ 314 cm²

Therefore,

The area of the disc is 314 cm²

• Circle is a 2 dimensional shape.

• The following are the different parts of a circle:

• Tangent
• Chord
• Radius
• Diameter
• Minor arc
• Major arc
• Minor segment
• Major segment
• Minor sector
• Major sector

• A circle is a round shape that has no sides or corners.

Answer 2

Explanation:

area= πr^2

= 3.14*10*10

=

314cm2

is your answer

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