3 years ago

What is the total surface area of this cube?

Mathematics

1 answer:

Nat2105 [25]3 years ago

4 0

Answer:

54 (also include units squared as the picture isn't clear)

Step-by-step explanation:

3×3=9 (area of square =l×b)

9×6= 54cm² (since a cube has 6 faces)

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Step-by-step explanation:

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2 years ago

Find the lateral area of the following cone.<br> Leave your answer in terms of pi

LenKa [72]

Answer:

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Using polygon STUVW what is m angle U ?

bija089 [108]

Answer:

The m∠ U is 72°.

Step-by-step explanation:

Given:

$\angle S = 90\\\angle T = 2x\\\angle U = x\\\angle V = 2x\\\angle W = 90\\$

To find :

$\angle U = x = ?$

Solution:

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$\textrm{sum of the measures of angle of a polygon with 'n' sides} = (n - 1)\times 180$

Here we have n = 5 on substituting the values we get

$\angle S +\angle T + \angle U +\angle V + \angle W = (5 -2)\times 180\\90 + 2x + x + 2x + 90 = 3\times 180\\5x + 180 = 540\\5x = 540-180\\5x = 360\\x = \frac{360}{5}\\x = 72$

Therefore,

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3 years ago

Solve the equation 2(3x + 7) + 5 = 49.

cricket20 [7]

Answer:

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Step-by-step explanation:

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