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cestrela7 [59]
3 years ago
6

What is the shape of the cross section taken parallel to the base of a square pyramid

Mathematics
2 answers:
horsena [70]3 years ago
4 0

Answer:

A square

Step-by-step explanation:

A parallel cross section will be the same shape of the base.  Since it's a square base, all parallel cross sections will also be parallel.  Think of it as a different floor of a pyramid shaped building.  

photoshop1234 [79]3 years ago
4 0

Answer:

Cross section taken parallel to the base will be SQUARE.

Step-by-step explanation:

When we take a cross section of a pyramid parallel to the square base, means that we are creating a new base for the same structure.

Cross section parallel to the base of a square base will look like a square in shape with smaller dimensions.

So the answer is SQUARE shape.

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2 Points
myrzilka [38]

Answer:

B

Step-by-step explanation:

First find the circumference of the circle with radius of 9 inches:

C=2\pi r=2\pi \cdot 9=18\pi \ inches

The full angle has 360°, so, to find the length of the arc DE, you can write:

360^{\circ}\ - \ 18\pi \\ \\145^{\circ}\ - \ x

which yields a proportion:

\dfrac{360}{145}=\dfrac{18\pi}{x}\\ \\360x=145\cdot 18\pi\\ \\x=\dfrac{145\cdot 18\pi }{360}=\dfrac{145\pi}{20}=7.25\pi\approx 22.8\ inches

6 0
2 years ago
What is the fraction is less than 5/6 and has denominator of 8?
IrinaVladis [17]

Denominator is the number which appears at the bottom of fraction so the fraction we want is in the form X/8 and also less than 5/6

Lets start from changing the values of X from 1.

1/8 = 0.125 and 5/6 = 0.8333

2/8 = 0.25

3/8 = 0.375

4/8 = 0.5

5/8 = 0.625

6/8 = 0.75

7/8 = 0.875, this is greater than 5/6

<span>So, the fractions with denominator 8 and less than 5/6 are 1/8, 2/8, 3/8, 4/8, 5/8 and 6/8</span>

7 0
3 years ago
It takes Peter 4 hours to walk 12 miles.If he continues to walk at the same rate, how long will it take him to walk:
blondinia [14]

Answer:

a]2.3 hrs

b]3.6hrs

Step-by-step explanation:

4hrs = 12 miles

x       =  7miles

4 x 7=28/12=2.3

4 x 11=44/12=3.6hrs

6 0
3 years ago
Read 2 more answers
The equation of the axis of symmetry is x = 3. True or false
Vsevolod [243]

Answer:

true

Step-by-step explanation:

6 0
2 years ago
I need to be able to find the value of x
drek231 [11]
If a 4 sided figure has 360°...for each side we add, we add 180°.

you have a 7 sided figure (360° + 3(180°) = 900°)

adding up your angles (781) and subtract it from 900 =

x = 119°
8 0
3 years ago
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