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Mathematics

1 answer:

Alona [7]3 years ago

4 0

Answer:

Step-by-step explanation:

The formula for the volume of a square-based pyramid is:

V = a2(h/3), where "V" is equal to volume, "a" is equal to base edge, and "h" is equal to height.

You are given the value of the base edge (a = 6)

If the base edge is equal to (1/2)h, or (1/2)h = 6 then, 2(1/2)h = 2(6). This gives you h = 12.

Now you just plug into your formula:

V = 62(12/3) = 36(4) = 144

pls mark brainliest.

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First, we need to find the area of the two rectangles in this picture. We know that area = l*w.

So for the larger rectangle, we know the l = 100 m, and the w = 60 m. Let us find the area:

$A=100*60=6000 m^{2}$

So the larger rectangle area is 6000 m.

The smaller rectangle has dimensions that are 2 m less on every side. So we can recalculate these dimensions as l = 96 m and w = 56 m.

Let's find the area of the smaller rectangle:

$A=96*56=5,376 m^{2}$

So we know that the area of the smaller rectangle is 5,376 m.

The area of the jogging path is going to be the difference between these two rectangles. Let us solve:

$6,000-5,376=624 m^{2}$

So now we know that the area of the jogging path is $624 m^{2}$ .