The solid 3D object that is produced by rotating the triangle about line m is a cone.
<h3>What is a triangle?</h3>
It should be noted that a triangle simply means a shape that has three sides and three angles.
In this case, the solid 3D object that is produced by rotating the triangle about line m is a cone.
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Use the pythagorean theorem. It would be set up as
a^2 + 3.7^2 = 4.0^2
D because ugh I don’t feel like explaining