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Leviafan [203]
3 years ago
7

There is a square pyramid on the top of the dog house for the roof. The base length is 4 feet and the slant height is 7 feet. Fi

nd the surface area of just the roof of the dog house. Round your answer to the nearest tenth. (Hint: there is no base)
Mathematics
1 answer:
crimeas [40]3 years ago
7 0

Answer: 56

Step-by-step explanation:

4(bh/2)

4(4(7)/2)

4(28/2)

4(14)

56

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Zhang is constructing a loading ramp (BA) that is 4-feet high (AC). The back of the base (BC) must be 12.8 ft. How long must the
inna [77]

The front of the base is 1.25 ft and the total base is 14.05 ft.

<h3>How to find the side of a right triangle?</h3>

A right triangle has one of its angles as 90 degrees. The side of a right angle triangle can be found using trigonometric ratios.

The sides CD and BD can be found using similar triangle principle.

In similar triangles, corresponding sides are always in the same ratio.

Therefore, the following proportion can be established as follows;

\frac{BC}{AC}=\frac{AC}{CD}

Hence,

\frac{12.8}{4}=\frac{4}{CD}

cross multiply

4 × 4 = 12.8 CD

16 = 12.8CD

divide both sides by 12.8

CD = 16 / 12.8

CD = 1.25 ft

BD = 1.25 + 12.8 = 14.05 ft

Therefore, the front of the base is 1.25 ft and the total base is 14.05 ft.

learn more on right triangle here: brainly.com/question/14324872

#SPJ1

6 0
2 years ago
The Width of a rectangle is 2w+3. The length is equal to 4 times its width. Write an expression to represent the perimeter of th
kupik [55]
Since the perimeter is the sum of the length of all sides we multiply width and length by 2 and then add them together

4 0
3 years ago
Does this have infinite solutions or no solutions?
Papessa [141]

Answer:

when they cross u should get a perfect solution of (2,6)

8 0
3 years ago
Read 2 more answers
Find the height of a rectangle with a base of 11 in and area of 120 in2
Mrac [35]

Answer:

that is the solution to the question

3 0
3 years ago
What does n = in 10=6+n/2
Pani-rosa [81]

Answer:

n = 8

Step-by-step explanation:

10=6+n/2

Switch sides

6 + n/2 = 10

Subtract 6 from both sides

6 + n/2 -6 = 10-6

Simplify

n/2 = 4

Multiply both sides by 2

2n/2 = 4 times 2

n = 8

Hope this helps!

8 0
3 years ago
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