Math, asked by sultanasultana1452, 7 months ago

The external diameter of the barrel of an air gun is formed 1.80cm and the thickness of the metal is 8mm.Find (in centimetres) the internal diameter.

Answers

Answered by KrishJethwani40

2

Answer:

hlwwwww

Step-by-step explanation:

ca u give me ur no.

Answered by rishavdebmishra

1

Answer:

1.64cm

Explaination:

External Diameter=1.80cm

External Radius(R)=0.90cm

Thickness=8mm=0.8cm

Internal Radius=External Radius-Thickness

=0.90-0.08 cm

=0.82cm

Therefore,Internal Diameter= 2×0.82cm

=1.64cm

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