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yarga [219]
2 years ago
13

How much fabric is needed to create the lateral faces of the tent?

Mathematics
1 answer:
jek_recluse [69]2 years ago
7 0
Left and right side: 6.4*7=44.8
44.8+44.8=89.6
front (where the zipper is) and back: half of 5*8=20
20+20=40

40+89.6=129.6

the area of the bottom is 7*8=56

the total area is 129.6+56=185.6

I am not sure what lateral area includes. To me, the answer should be 129.6, but 129.6 is not a choice. 
I'd suggest 185.6, the total surface area. 
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I'd greatly appreciate the help-
dem82 [27]

Answer:

The 3rd option

Step-by-step explanation:

To prove that 2 triangles are similar, we need to prove that 2 pairs of their angle measurements are congruent.

This is because all triangles have 180 degrees, so if 2 pairs are congruent, the remaining angles will also be congruent

We know that m<D=m<E

We also know that m<DCA=m<ECB because they are vertical angles.

Vertical angles are always congruent.

Therefore, the triangles are similar.

The correct similarity statement would be 1, since <D corresponds with <E.

Now let's look at the 3rd Statement. To prove that two lines are similar, we would have to prove that their alternate interior angles are congruent.

A pair of alternate interior angles would be <D and B or or <E  and <A

There is no way to prove this, since we do not know any of the angle  or that measurements or if the triangles are isosceles triangles.

Hence, the correct choice would be 1 only.

7 0
2 years ago
31. Solve for x.<br> (4x + 70°<br> (x + 5)
Lady_Fox [76]

Answer:cq cat cat cat cat

Step-by-step explanation:

8 0
3 years ago
Which expression can be used to determine the length of segment ZY? See image.
mixer [17]

Answer:

\sqrt{8^{2} + 3^{2} }

Step-by-step explanation:

We see that this is a rectangle triangle, and that the ZY side is the hypotenuse.

It's length is then square root of the sum of the squares of the other sides:

hyp = \sqrt{a^{2} + b^{2} }

So, in this case:

ZY = \sqrt{8^{2} + 3^{2} }

The 8 and 3 numbers are easy to get from the graphic... and the order doesn't matter (8² + 3² = 3² + 8²).

That's an easy rule to remember.

I hope it helps.

6 0
2 years ago
Read 2 more answers
Please help asap, hghhfthbh
ANEK [815]

Answer:

90

Step-by-step explanation:

both sides are equal

both sides have to match

therefore y is 90 and x is 30

it is a symmetry thing

4 0
2 years ago
Read 2 more answers
A chef needs to choose a pan that will allow food to cook as quickly as possible for a special recipe and has decided that he wi
raketka [301]

Answer:

234

Step-by-step explanation:

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2 years ago
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