So it's best in this case to separate both shapes so you have a rectangle and a triangle so to solve the area of a rectangle you do
The following ( picture )
So I hope this helps
The following ( picture )
So I hope this helps
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1 answer:
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Surface area of cylinder is given by area of circle + area of the rectangle that curved around the cylinder
Area of the base of the cylinder =
Area of the cylinder 'wall' = width × length =
×
=×
=
Note that the wall of the cylinder is in the shape of a rectangle. The width of the rectangle is the height of the cylinder. The length of the rectangle is the circumference of the circle base.
Surface area of cone is given by
where 
is the slanted height of the cone
SA of cone =
Hence total painted surface area is
Area of the base of the cylinder =
Area of the cylinder 'wall' = width × length =
Note that the wall of the cylinder is in the shape of a rectangle. The width of the rectangle is the height of the cylinder. The length of the rectangle is the circumference of the circle base.
Surface area of cone is given by
SA of cone =
Hence total painted surface area is
Answer:
Step-by-step explanation:
<u><em>Formulate</em></u>
<u><em /></u>
<u><em>Calculate</em></u>
<u><em /></u>
<u><em>Cross out the common factor</em></u>
<u><em /></u>
<u><em>Write </em></u> <u><em>as a mixed fraction</em></u>
<u><em /></u>
<em>I hope this helps you</em>
<em>:)</em>