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alexandr1967 [171]
2 years ago
10

What is the surface area of this square pyramid?

Mathematics
2 answers:
sesenic [268]2 years ago
6 0
The area of the base = 15 * 15 = 225 m2
ande tharea of each sloping triangular side = 1/2 * 15 * 18 =  135 m2

so total surface area = 225 + 4*135 =  765m2
Tamiku [17]2 years ago
5 0
Im thinkng D.I hope it helped.
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Pls help being timed
Trava [24]
If you find the least common denominator, that is 143. Then, you convert 2/13=22/143 and 1/11=13/143. Next, subtract 22/143-13/143=9/143 which is B

Please learn your fractions :/ they’ll be useful for the future, trust me. If you need further help to understand, idk if there is a PM feature here but if there is feel free. But I have answered 3 fraction questions for you within this hour and it’s under the high school level category??? Thank you and have a nice night.












5 0
3 years ago
Create a polynomial function in factored form that has the following characteristics: zero at x = 1, multiplicity of 2; zero at
Nataliya [291]
(x-1)^{2} (x+2)
3 0
3 years ago
Given right triangle ABC with right angle C, and sin A = ¼. Which of the following expressions are also equal to ¼?
BaLLatris [955]

Answer:

cos(A)

Step-by-step explanation:

5 0
2 years ago
The scale drawing of a rectangular oty park measures 10.0 cm by 50 cm
satela [25.4K]
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6 0
2 years ago
Please help me find BD
Tanzania [10]

9514 1404 393

Answer:

  14 units

Step-by-step explanation:

The angle bisector divides the sides proportionally, so you have ...

  (x+4)/8 = (2x+1)/12

  3(x +4) = 2(2x +1) . . . . . . multiply by 24

  3x +12 = 4x +2 . . . . . . . . eliminate parentheses

  10 = x . . . . . . . . . . . subtract (3x+2)

Then BD = x+4 = 10 +4.

The length of BD is 14 units.

_____

<em>Additional comment</em>

The "triangle" cannot exist, as the side lengths are shown as 8, 12, and 35. The long side is too long. Nice math; bad geometry.

8 0
2 years ago
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