Which is the best estimate of the mass os a basketball
1 answer:
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Answer:
A) 22 cans required to paint
B) Including 13% tax, cost of painting = $633.93
Step-by-step explanation:
As we check the figure, we have a composite figure.
Cuboid on the base and a pyramid on the top of it.
To find the area to be painted, we have 4 rectangular faces of cuboid with dimensions 6m 3m.
And 4 triangular faces of pyramid with Base = 6m and Height 5m.
So, total area to be painted = 4 rectangular faces + 4 triangular faces
Area of rectangle = Length Width = 6
3 = 18
Area of triangle =
Total area to be painted = 4 \times 18 + 4 \times 15 = 72 + 60 = 132
A) Area painted by 1 can = 6
Cans required to paint 132 =
B)
Cost of 1 can = $25.50
Cost of 22 can = $25.50 22 = $561
Including tax of 13% = $561 + $561 = $561 + $72.93 = <em>$633.93</em>
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So, the answers are:
A) <em>22 cans </em>required to paint
B) Including 13% tax, cost of painting =<em> $633.93</em>