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iren [92.7K]
2 years ago
7

Find the surface area of a 7.4 cm long iron rod and 3.1 m radius

Mathematics
1 answer:
Debora [2.8K]2 years ago
3 0

Answer:

144.2 cm

Step-by-step explanation:

Length of the iron rod is 7.4cm

Radius is 3.1m

Therefore the surface area can be calculated as follows

= 2πrl

= 2×3.142×3.1×7.4

= 144.2 I'm

Hence the surface area is 144.2cm

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Triangle X Y Z is shown. Line Z X is extended through point W to form exterior angle W X Y.
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Find the equation for the plane that contains the line x=−1+3t , y=1+2t, z=2+4t and is perpendicular to the plane containing the
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Let L be the line given by the vector equation

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\\\\\Pi_1  : (1,-1,5) + \alpha (2,-1,6) + \beta (1,1,-3) \ , \alpha, \beta \in \mathbb{R}\\\\\\

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Finally, the vector equation for the wanted plane, which we denote by \Pi, is

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Step-by-step explanation:


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3 years ago
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