Question

If radius is expressed as r= (2±0.02)m then find the area of circle with proper error limit.

Plz solve fast I hve my exams tomorrow!
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Answer 1

Answer:

If radius is expressed as r= (2±0.02)m then find the area of circle with proper error limit.

Answer 2

Explanation:

Area of circle= Πr^2

=Π × 2^2

= Π × 4 m^2

original area = 88/7m^2

with error = 2× 0.02

= 0.04

so, area = [(88/7 )+-0.04] m^2