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Brums [2.3K]
3 years ago
7

According to the third angle theorem, __________.

Mathematics
2 answers:
il63 [147K]3 years ago
6 0

Answer: If two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles is also congruent


Step-by-step explanation:

The <em>third angle theorem</em> says that if two angles in one triangle are congruent to two angles in another triangle, then the third pair of angles must also congruent. This is called the Third Angle Theorem.

Let ΔABC and ΔPQR are two triangles such that

∠A≅∠P and ∠B=∠Q.......(1)

Also ∠R=180°-(∠P+∠Q) [By angles sum property in  ΔPQR ]......(2)

∠C=180°-(∠A+∠B) [By angles sum property in ΔABC]

⇒∠C=180°-(∠P+∠Q)     [from (1)]

⇒∠C=∠R      [from (2)]

Hence proved.

blsea [12.9K]3 years ago
5 0
The answer is C it will be congruent to another angle
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Answer:

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Step-by-step explanation:

The problem states that the polygon is a quadrilateral, meaning it has 4 sides. This rules out D, as pentagons have 5 sides. Our next clue is that this shape has <em>only one </em>right angle, ruling out A and B, because, by definition, rectangles and squares must have four 90 degree angles. We can already see that we are left with only one choice, but to confirm: a kite has 2 opposite angles of 105 degrees, like the problem states.

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4 years ago
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Answer:

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Step-by-step explanation:

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The key to answering this question, is to

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