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3 years ago

What is the surface area of this point

Mathematics

2 answers:

Kaylis [27]3 years ago

7 0

Answer:

The answer is 30ft.

Step-by-step explanation:

To find the surface area of a rectangle, we use the formula L(2) + W(2) + H(2)

Our length is 7ft

Our Width 2ft

Our height is 6ft

Let's plug our numbers into our equation:

7(2) + 2(2) +6(2)

= 14 + 4 + 12

=30 ft.

MAXImum [283]3 years ago

5 0

Answer:

Surface area of the Cuboid is $136 feet^2$

Step-by-step explanation:

The given figure is in the shape of a Cuboid that have the given dimensions:

Length(L)= 7 feet

Width(W)= 3 feet

Height(H)=6 feet

Surface area of the Cuboid=

$2(L*W+W*H+H*L)\\\\= 2(7*2+2*6+6*7)\\\\=2(14+12+42)\\\\=2(68)\\\\=136 feet^2\\\\$

The surface area of the Cuboid is $136 feet^2$

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The length of a rectangle is twice its width. Find its area, if its perimeter is 7 1/3 cm The area of the rectangle is _sq. cm.

Harman [31]

Answer:

The area of rectangle is $2\frac{80}{81}\ cm^2$

Step-by-step explanation:

we know that

The perimeter of a rectangle is equal to

$P=2(L+W)$

we have

$P=7\frac{1}{3}\ cm=7+\frac{1}{3}=\frac{22}{3}\ cm$

$\frac{22}{3}=2(L+W)$

$\frac{11}{3}=(L+W)$ ----> equation A

Remember that

The length of a rectangle is twice its width.

$L=2W$ ----> equation B

substitute equation B in equation A

$\frac{11}{3}=(2W+W)$

solve for W

$W=\frac{11}{9}\ cm$

Find the value of L

$L=2(\frac{11}{9})$

$L=\frac{22}{9}\ cm$

<em>Find the area of rectangle</em>

$A=LW$

substitute the values

$A=(\frac{22}{9})(\frac{11}{9})$

$A=\frac{242}{81}\ cm^2$

Convert to mixed number

$\frac{242}{81}\ cm^2=\frac{162}{81}+\frac{80}{81}=2\frac{80}{81}\ cm^2$

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arsen [322]

Answer:

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Step-by-step explanation:

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