2 years ago

PLEASE HELP! EASY MATH!!

Mathematics

1 answer:

harkovskaia [24]2 years ago

7 0

Answer:

Your answer would be D. I know this is kind of late, but maybe other people that come up here could get some help

Step-by-step explanation:

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A triangle has the side lengths of 12, 34, 45. Is it a right triangle?

deff fn [24]

Answer:

Step-by-step explanation:

a^2+b^2=c^2?

12^2+34^2=45^2?

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3 years ago

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adelina 88 [10]

6 I think but maybe 1

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3 years ago

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Help!?Who can help me with this?

Sonbull [250]

What he/she said is correct

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2 years ago

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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Which could be the measure of <br> A.) 38<br> B.) 42<br> C.) 44<br> D.) 52

vichka [17]

Well you can check what type of angle it is! like depending on how it is slouched like a right angle is 90° for example.

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2 years ago