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Blababa [14]
3 years ago
5

Find the diagonal of the rectangular solid

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0
There are four (4) diagonals: 3 face diagonals and one space diagonal. We assume you are interested in the space diagonal.

The face diagonal of the 3×4 face has length
  d₃₄ = √((3 ft)² +(4 ft)²) = √(25 ft²) = 5 ft

Taking the 5 ft edge and the 5 ft face diagonal as sides of the triangle with the space diagonal as its hypotenuse, we find the length of the space diagonal to be
  d = √((5 ft)² +(5 ft)²)
  d = 5√2 ft

The space diagonal of the rectangular solid is 5√2 ft ≈ 7.07 ft.
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Question 37
Genrish500 [490]
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7 0
3 years ago
(a + b)(a ² - ab + b ²)
erastova [34]
Hi there!

You can use distributive property to solve this equation.

These are the list of terms you have to multiply :
a × a² = a³
a × -ab = -a²b
a × b² = ab²
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b × -ab = -ab²
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add all of those terms...
a³ - a²b + ab² +a²b -ab² + b³
simplify by adding like terms... (- a²b + a²b , ab² - ab²)

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Hope this helped!! :)
4 0
3 years ago
Yeah just help me thank you....
mash [69]

Answer:

47

Step-by-step explanation:

Plug the numbers in and solve

5 ^ 2 + 2 ( 5 + 6 )

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also plz mark me brainiest

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3 years ago
Read 2 more answers
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