a circular disc has a radius of 15cm. find the area of the disc in m⁰
Answers
Answer:
The ISI mark is by far the most recognised certification mark in the Indian subcontinent. The ISI is an initialism of Indian Standards Institution, the name of the national standards body until 1 January 1987, when it was renamed to the Bureau of Indian Standards.
➠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