3 years ago

I need a answer very very quick

1 answer:

3 0

Awnser:

3x10-2x3

3(10-2)

3 (100-2

3x98

=294

Side note- above the 10s put a little 2 above it so put a 2 above the ten in 3(10-2) and above the 10 in 3x10-2x3

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A square pyramid and a cube have the same surface area don’t of each side of the base of the Square pyramid is 10 feet the width

o-na [289]

Answer:

The lateral height of the square pyramid is $5.8\ ft$

Step-by-step explanation:

step 1

Find the surface area of the cube

The surface area of the cube is equal to

$SA=6b^{2}$

where

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w have

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substitute

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step 2

Find the lateral height of the square pyramid

we know that

the surface area of the square pyramid is equal to

$SA=B+4(\frac{1}{2}bh)$

where

B is the area of the base

b is the base of the lateral triangle (base of the square)

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$B=(10^{2})=100\ ft^{2}$

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$b=10\ ft$

substitute the values and solve for h

$216=100+4(\frac{1}{2}*(10)*h)$

$216-100=20h$

$h=116/20=5.8\ ft$

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