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klio [65]
3 years ago
5

What is the circumference of a circle with a radius of 7 centimeters? Use 3.14 for S.

Mathematics
1 answer:
marta [7]3 years ago
5 0

Answer:43.98cm

Step-by-step explanation:

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Lina20 [59]

Yo sup??

we can solve this question by applying trigonometric ratios

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Hope this helps.

7 0
3 years ago
What is the total surface area of the square pyranid?​
monitta

Answer:

The general formula for the total surface area of a regular pyramid is T. S. A. =12pl+B where p represents the perimeter of the base, l the slant height and B the area of the base.

8 0
3 years ago
Read 2 more answers
A right square pyramid is shown. The height of the pyramid is 6 units. The distance from the center of the base of the pyramid t
elena-14-01-66 [18.8K]

Answer:

<em>AD is 6.5 units</em>

Step-by-step explanation:

Find the diagram attached.

From the diagram, you can see that the dotted triangle is a right angled triangle with side AD as the hypotenuse.

To get AD, we will use the pythagoras theorem as shown;

Hyp² = Opp² + Adj²

AD² = 6²+2.5²

AD² = 36 + 6.25

AD² = 42.25

AD = √42.25

<em>AD = 6.5</em>

<em>Hence the measure of length segment AD is 6.5 units</em>

6 0
3 years ago
How do -11.5 and -9.5 compare?
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Answer:

-9.5 is larger by 2 units

Step-by-step explanation:

-9.5 - (-11.5)

= -9.5 + 11.5

= 2.

5 0
3 years ago
Find the sum of these polynomials. (x^2 - x + 7) + (9x^2 + 6)
Rina8888 [55]
The answer is 10x^2-x+13
3 0
3 years ago
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