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3 years ago

How many intersecting planes are there in a cube?

2 answers:

6 0

Answer: a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices.

Step-by-step explanation:

Kobotan [32]3 years ago

6 0

Answer:

The cube has nine symmetry planes. Three planes lie parallel to the side squares and go through the centre (picture). Six planes go through opposite edges and two body diagonals. They divide the cube into prisms

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A 40 -inch board is to be cut into three pieces so that the second piece is 4 as long as the first piece and the third piece is

pav-90 [236]

Answer:

4*4=16 INCHES FOR THE SECOND PIECE. 5*4=20 INCHES FOR THE LONGEST PIECE.

Step-by-step explanation:

6 0

3 years ago

Find the missing side of the triangle. Side LaTeX: cc is the hypotenuse and sides LaTeX: aa and LaTeX: bb are legs. Leave your a

mylen [45]

Answer:

$c = 2\sqrt{5$

Step-by-step explanation:

Given

$a = 2$

$b = 4$

c = hypotenuse

Required

Find c

Using Pythagoras theorem, we have:

$c^2 = a^2 + b^2$

Substitute values for a and b

$c^2 = 2^2 + 4^2$

$c^2 = 4 + 16$

$c^2 = 20$

Take square roots of both sides:

$c = \sqrt{20$

Express 20 as 4 * 5

$c = \sqrt{4 * 5$

Split surd

$c = \sqrt{4} * \sqrt{5$

Take square root of 4

$c = 2 * \sqrt{5$

$c = 2\sqrt{5$

6 0

2 years ago

You have prizes to reveal! Go to your game board. *

s2008m [1.1K]

Answer:

Step-by-step explanation:

15 + 12 = 27

Allie would have read 27 books in total after being in the book club for 12 months.

5 0

3 years ago

Read 2 more answers

Need this asap. please help

Volgvan

The awnser for the question you are asking it true

7 0

3 years ago

When performing today's experiment, your lab partner decides to add all the reagents into one beaker instead of two separate bea

ankoles [38]

<span>So before we can participate in our Chem labs, we need to answer questions regarding the experiment. I'm not the best at Chemistry and I'm having some trouble with this one problem. Here's the experiment's instructions (Part A) And the problem, "When performing todayâ€™s experiment, your lab partner decides to add all the reagents into one beaker instead of two separate beakers. After adding everything together and waiting a significant amount of time, you see no reaction occur. What was the problem?" Could it be that all of the separate beakers form different mixtures and just adding everything together at once doesn't allow that to happen? I have honestly have no clue, any help is appreciated</span>

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3 years ago

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