two similar triangles the perimeter of the first is 74 cm and the side lenghts of the others are 4.5cm 6cm and 8 cm. find the length of the longest side of the first triangle

The longest side of this. woudl have to be 6cm

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for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a