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Basile [38]
3 years ago
5

What is the area of this whole figure in square units?

Mathematics
1 answer:
IrinaK [193]3 years ago
7 0
Well, it is a good and interesting question

Such areas could be calculated in a single shoot and also by dividing the whole shape into other shapes and the total area would be the sum of these areas

I prefer the way of a single shoot ...

The figure represents a trapezoid:
its lower base = 21 units
its upper base = 12 units
the normal height between them = 8 units

NOW

The area of a trapezoid = [(sum of bases' lengths) ÷ 2] * height
                                       = [(12 + 21) ÷ 2] * 8 = 132 sq units


Hope that helps
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Y = -7sin(x) + 2cos(x)
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y = -7sin(9.42/4) + 2cos(9.42/4)
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Answer:

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Step-by-step explanation:

Note: the volume of a cone is given as

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Step one:

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Required

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Step two:

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divide both sides by 2.62

30/2.62= r^2\\\\11.45= r^2\\\\r=\sqrt{11.45} \\\\r=3.38cm

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