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grandymaker [24]
3 years ago
6

A scale model of an ancient Egyptian pyramid is 29 centimeters high, with a base length of 46 centimeters. The height of the rea

l pyramid is 145 meters. What is the base length of the real pyramid? Enter your answer, in simplest form, in the box.
Mathematics
2 answers:
tigry1 [53]3 years ago
7 0
The base of the real pyramid is 230m
Bogdan [553]3 years ago
3 0

Answer:

The answer is 230m , Hope you all are safe!

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Dmitriy789 [7]

Answer:

He mows 80 yards.

Make meh happy pls ;)

Step-by-step explanation:

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Dennis_Churaev [7]
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I have a Triangle and I need to find the side BC?
Rus_ich [418]
Looking at this problem in the book, I'm guessing that you've been
introduced to a little bit of trigonometry.  Or at least you've seen the
definitions of the trig functions of angles.

Do you remember the definition of either the sine or the cosine of an angle ?

In a right triangle, the sine of an acute angle is  (opposite side) / (hypotenuse),
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Maybe you could use one of these to solve this problem, but first you'd need to
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Let's see . . . all three angles in any triangle always add up to 180 degrees.
We know two of the angles in this triangle ... 39 and 51 degrees.
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Let's use the 51° angle.
The cosine of any angle is (adjacent side) / (hypotenuse) .
'BC' is the side adjacent to the 51° angle in the picture,
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cosine(51°) = (side BC) / 27

Multiply each side of that equation by 27 :

Side-BC = (27) times cosine(51°)

Look up the cosine of 51° in a book or on your calculator.

Cosine(51°) = 0.62932 (rounded)

<u>Side BC</u> = (27) x (0.62932) = <u>16.992</u> (rounded)
============================================

You could just as easily have used the sine of 39° .
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4 0
3 years ago
-2 1/2*3 1/3= <br> What does this equal to
Ilya [14]

Answer:-8.3

Step-by-step explanation:-8.3

6 0
1 year ago
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What is the solution to 2x-8 &lt;122<br> x&lt;2<br> O x&lt;8<br> x&lt;10<br> O x&lt;40
vladimir2022 [97]

Answer:

O x<40

Step-by-step explanation:

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