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e-lub [12.9K]
2 years ago
11

Use the net to find the size of the base and the height of each triangular face of this square pyramid. Enter your answers in th

e boxes.
Mathematics
1 answer:
guajiro [1.7K]2 years ago
7 0

Answer:

The answer is below

Step-by-step explanation:

The size of each box in the grid is 1 unit by 1 unit.

From the image, we can see that the size of the base of the square pyramid is 4 units by 4 units, hence:

Area of the base = 4 units * 4 units = 16 unit²

Also, as shown in the image, all the triangular face of the square pyramid are of the same size. the distance from the middle of the triangle base to the top of the vertex of the triangle is considered to be the height of the triangle. Hence, the height of each triangular face = 2 units

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How can you find the area of a triangle using the Law of Sines?
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Explanation:

One formula for the area of a triangle is ...

Area = (1/2)ab·sin(C)

This presumes you know the measures of two sides and the angle between them. The Law of Sines is typically used where you know all the angles and only one side measure.

You would use the law of sines to find an additional side measure, then make use of the above formula for area.

5 0
2 years ago
What is the intersection when you graph the following equations:
Natasha2012 [34]

Answer:

its -2x

Step-by-step explanation:

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3 years ago
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A migrating whale is traveling at an average speed of 5.4 kilometers per hour. How far will the whale travel in 18 hours at this
zaharov [31]
97.2 miles just multiply

      5.4
      18
    _____
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3 years ago
Mpuy each expression.<br> 1) (5p2 – 3) + (2p2 – 3p3)
laila [671]
The anwser is 5x-3 because you remove the parentheses and pair like terms
3 0
3 years ago
Answer please lot's of points.
Svetlanka [38]

Answer:

t≈8.0927

Step-by-step explanation:

h(t) = -16t^2 + 128t +12

We want to find when h(t) is zero ( or when it hits the ground)

0 =  -16t^2 + 128t +12

Completing the square

Subtract 12 from each side

-12  =  -16t^2 + 128t

Divide each side by -16

-12/-16  =  -16/-16t^2 + 128/-16t

3/4 = t^2 -8t

Take the coefficient of t and divide it by 8

-8/2 = -4

Then square it

(-4) ^2 = 16

Add 16 to each side

16+3/4 = t^2 -8t+16

64/4 + 3/4= (t-4)^2

67/4 = (t-4)^2

Take the square root of each side

±sqrt(67/4) =sqrt( (t-4)^2)

±1/2sqrt(67) = (t-4)

Add 4 to each side

4 ±1/2sqrt(67) = t

The approximate values for t are

t≈-0.092676

t≈8.0927

The first is before the rocket is launched so the only valid answer is the second one

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3 years ago
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