A triangular lamina made of aluminium is of the shape of an equilateral triangle of edge a = 10cm and surface mass density 500 g//m^(2). It is heated from 20°C to 50°C slowly. Determine the increase in its moment of inertia about any of its side. Coefficient of linear expansion of aluminium is 22.9 xx 10^(-6)//^(@) C.

A triangular lamina made of aluminium is of the shape of an equilatera

1.	A triangular lamina made of aluminium is of the shape of an equilateral triangle of edge a = 10cm and surface mass density 500 g//m^(2). It is heated from 20°C to 50°C slowly. Determine the increase in its moment of inertia about any of its side. Coefficient of linear expansion of aluminium is 22.9 xx 10^(-6)//^(@) C.
Answer» <html><body><p><br/></p>Answer :`3.72 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 10^(-<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>) <a href="https://interviewquestions.tuteehub.com/tag/gm-1008640" style="font-weight:bold;" target="_blank" title="Click to know more about GM">GM</a>- cm^(2)`</body></html>