In a metallic sheet of 10 cm radius there is a small hole at the centre of the sheet of 3 cm radius. Find the area of the metallic sheet.
Answers
Answered by
10
Answer:
Step-by-step explanation:
Area of metal sheet= area of big circle - area of small hole ie. A circle
=πR2-πr2
=22/7×10×10-22/7×3×3
=314.159-28.27
=285.884(answer)
Answered by
15
Area of metallic sheet is 286
Step-by-step explanation:
1. Larger radius of sheet (R) =10 cm
Smaller (hole) radius of sheet (r)= 3 cm
2. Area of larger sheet ...1)
Area of hole ...2)
3. Area of metallic sheet = Area of larger sheet - Area of hole
Area of metallic sheet
Area of metallic sheet (where )
On putting respective value
Area of metallic sheet
Area of metallic sheet
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