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Mandarinka [93]
3 years ago
10

Find the surface area of the following triangular prism. surface area = ___ ft2

Mathematics
2 answers:
jeka943 years ago
8 0

Answer:

144

Step-by-step explanation:

\frac{1}{2}  \times 8 \times 6 = 24 {ft}^{2}

8 \times 4 = 32 {ft}^{2}

32 \times 3 = 96 {cm}^{2}

96 +(24 \times 2) = 144 {ft}^{2}

kolezko [41]3 years ago
8 0

Answer:

336 ft2 is the correct answer.

Step-by-step explanation:

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Find the surface area of the composite figure.
ELEN [110]

Answer:

644cm^2

Step-by-step explanation:

First we'll work out the surface area of the pink figure.

That's the area of the two 5 by 6 rectangles on the top and bottom, plus the area of the two 5 by 20 and two 6 by 20 rectangles on the sides.

However, we note that the purple figure is blocking out a 6 by 12 section on the pink figure, so we'll need to subtract this.

The above works out to 2\times(30+100+120)-72=428 cm^2.

Then we'll work out the surface area of the purple figure.

This will be the area of the two 4 by 6 rectangles at the top and bottom, plus the area of the two 4 by 12 and one 6 by 12 rectangles on the sides. Note that there's only one 6 by 12 rectangle because the other face is joined to the pink figure, so it's blocked out.

That's 2\times(24+48)+72=216cm^2.

So the total surface area is 428+216=644cm^2.

6 0
1 year ago
The elevation is 12,000 feet. the altimeter reading in an airplane is 17.00 in hg. this pressure is equal to
In-s [12.5K]
<span>The elevation is 12,000 feet. the altimeter reading in an airplane is 17.00 in hg. this pressure is equal to:
There are 29.92inHg in 1 atm
thus
</span>17 inHg×(1 atm/29.92inHg)
=17/29.92
=0.5682 atm

Answer: 0.5682 atm
7 0
3 years ago
PPPPPPlzzz helpppppppp
avanturin [10]

the only 2 possible answers are 2 and -2 .But the answer is y=2 because x is positive

7 0
3 years ago
Factor the quadratic expression 4x^2-8x+3
nataly862011 [7]

Answer: (2x-1) (2x-3)

Step-by-step explanation:

8 0
3 years ago
Help with this question please
ahrayia [7]
20/8=2’5”
So the larger triangle is bigger by 2.5
So you times 5’6” by 2.5 to get your answer which is 14 ft

Hope this helps
3 0
3 years ago
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