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TEA [102]
11 months ago
12

How to find the surface area and volume of a square

Mathematics
1 answer:
3241004551 [841]11 months ago
6 0

Given:

The shape is square.

To find:

The surface area and volume of a square.

Explanation:

The length of each side of the square is "a" units.

The formula for the surface area of the square is,

\begin{gathered} Surface\text{ area = 6}\times Area\text{ of the square} \\ S.A=6a^2\text{ square units} \end{gathered}

The formula for the volume of the square is,

\begin{gathered} Volume,\text{ V= Length }\times breadth\times Height \\ =a\times a\times a\text{ cubic units} \\ V=a^3\text{ }cubic\text{ }units \end{gathered}

Using these formulas, we can find the surface area and the volume of the square that has side length "a" units.

For example:

Let the side length of 3cm for a square.

So, the dimensions are 3cm by 3cm by 3cm.

That is,

The Length is 3cm.

The breadth is 3cm.

The height is 3cm.

So,

a=3cm

The surface area of the square is,

\begin{gathered} S.A=6a^2 \\ =6\left(3\right)^2 \\ =6\times9 \\ =54cm^2 \end{gathered}

Therefore, the surface area of the square is 54 square cm.

The volume of the square is,

\begin{gathered} V=a^3 \\ =3^3 \\ V=27cm^3 \end{gathered}

Therefore, the volume of the square is 27 cubic cm.

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lakkis [162]

Answer:

Total cost of repayment  = 4955.04

Net interest paid = 655.04

Step-by-step explanation:

Given

Amount taken on loan = 4300

Repayment plan

Monthly installment= 206.46

Yearly installment  = 206.46 * 12 = 2477.52

Rate of interest per year = 14 %

Time Period for repaying the loan = 2 years

The total amount repaid by Jameson at the rate of 206.46 per month for next 24 months

= 206.46 *24\\= 4955.04

Net interest paid

= 4955.04 - 4300\\= 655.04

Total cost of repayment  = 4955.04

Net interest paid = 655.04

8 0
2 years ago
A tree 10 meters high casts a 17.3 meter shadow.
sashaice [31]

Answer:

the angle of elevation of the sun is \approx 30^o

Step-by-step explanation:

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tan(\theta)=\frac{opposite}{adjacent} \\tan(\theta)=\frac{10}{17.3}\\\theta=arctan(\frac{10}{17.3})\\\theta\approx 30^o

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3 years ago
I need help please !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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112 m³

the solid is a rectangular pyramid with volume (V)

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an item regular price of $40 . Kira bought it on sale for 65% off the regular price. How much did he Kira pay?​
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How are perpendicular lines and interesting line alike? How are they different?
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3 years ago
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