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3 years ago

What is the surface area of the solid that this net can form?

Mathematics

2 answers:

GenaCL600 [577]3 years ago

8 0

Answer:(c)

Step-by-step explanation:210 square centimeters.

Hope this helps!

dem82 [27]3 years ago

8 0

The correct answer is C. 210
I took each each shape and found the area then added it all together. Remember that triangles are half of the product that you get after multiplying the sides. The work is in the picture.

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Question : In the given figure , ∆ APB and ∆ AQC are equilateral triangles. Prove that PC = BQ.

lorasvet [3.4K]

Answer:

See Below.

Step-by-step explanation:

We are given that ΔAPB and ΔAQC are equilateral triangles.

And we want to prove that PC = BQ.

Since ΔAPB and ΔAQC are equilateral triangles, this means that:

$PA\cong AB\cong BP\text{ and } QA\cong AC\cong CQ$

Likewise:

$\angle P\cong \angle PAB\cong \angle ABP\cong Q\cong \angle QAC\cong\angle ACQ$

Since they all measure 60°.

Note that ∠PAC is the addition of the angles ∠PAB and ∠BAC. So:

$m\angle PAC=m\angle PAB+m\angle BAC$

Likewise:

$m\angle QAB=m\angle QAC+m\angle BAC$

Since ∠QAC ≅ ∠PAB:

$m\angle PAC=m\angle QAC+m\angle BAC$

And by substitution:

$m\angle PAC=m\angle QAB$

Thus:

$\angle PAC\cong \angle QAB$

Then by SAS Congruence:

$\Delta PAC\cong \Delta BAQ$

And by CPCTC:

$PC\cong BQ$

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2 years ago

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What is the scale factor from Figure 2 to Figure 1?

Luda [366]

Answer:

Step-by-step explanation:

Each of the lines lengths multiply by 3.

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2 years ago

There are 8 students on the minibus.Five of the students are boys. What fraction of the students are boys

Nimfa-mama [501]

Since 5 of the 8 students are boys, the fraction would be 5/8. The fraction would roughly be around 63%

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2 years ago

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What’s the result ????????????????

Mrrafil [7]

Answer:

Option 1

Step-by-step explanation:

You must multiply (2x + 3) by (x + 4). I use the FOIL method.

(2x + 3)(x + 4)

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2x² + 8x +3x + 12

Simplify

2x² + 11x + 12

To check the answer, you could factor this trinomial back into a pair of binomials.

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2 years ago

Ian bought a cup of coffee. At first, he sipped slowly. As it cooled down, he drank more quickly. The last bit was cold, and he

Colt1911 [192]

Answer:

ian just wasted the last bit of coffee.

Step-by-step explanation:

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3 years ago