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Flauer [41]
3 years ago
9

Find the volume of a pyramid with a square base, where the perimeter of the base is

Mathematics
1 answer:
Liula [17]3 years ago
3 0

Answer:

  33.4 m^3

Step-by-step explanation:

The edge length of the base is 1/4 of the perimeter, so is ...

  (10.3 m)/4 = 2.575 m

Then the area of the base is the square of this, or ...

  B = (2.575 m)^2 = 6.630625 m^2

The volume is ...

  V = (1/3)Bh = (1/3)(6.630625 m^2)(15.1 m) ≈ 33.4 m^3

The volume of the pyramid is about 33.4 cubic meters.

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Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent.
ratelena [41]

9514 1404 393

Answer:

  34.8

Step-by-step explanation:

The only polygon in the figure is the triangle outlined in red. Its perimeter is the sum of its side lengths: 15 +6.1 +13.7 = 34.8 units.

__

The two halves of the chord are the same length.

4 0
2 years ago
Juan had x apples and 8 oranges. How many pieces of fruit does he have? Give your answer in terms of x.
ruslelena [56]

Answer:

x+8

Step-by-step explanation:


7 0
2 years ago
zane and shelby's grandfather is 5 times as old as the total of their ages. If their grandfather is 70 and Shelby is 6, how many
wel
G=5(z+s)
70=5(z+6)
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7 0
2 years ago
Triangle XYZ is shown on the coordinate plane below:
Ivanshal [37]
The line y=1 is the horizontal line passing through the point (0, 1). We have drawn it with red.

The reflection across this line of each point X, Y, and Z is such that the distance of each  X, Y, and Z is equal to the distance of each X', Y', and Z', respectively, to the red line.

According to our drawing, we see that the coordinates of X' are (3, 3).

Answer: a.

5 0
3 years ago
Read 2 more answers
Pleae help me, will brianly
Licemer1 [7]

Answer:

A' (-3, -2)

B' (-3, -10)

C' (3, -10)

D' (3, -3)

Step-by-step explanation:

When reflecting over the y-axis, the x- coordinates don't change, rather only the position of the y-value is shifted. When moving the y-values, it is good to count how many spaces away the point is from the line , so it can be duplicated when you flip it.

Hope this Helps! :)

5 0
3 years ago
Read 2 more answers
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