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Vesna [10]
3 years ago
7

Please HELP Provide the missing reasons for the proof. Given: ∠C ≅∠E Prove: ABC ~ DBE

Mathematics
2 answers:
asambeis [7]3 years ago
8 0
The <u>correct answers</u> are:

#1) Given;
#2) Vertical angles are congruent; and 
#3) AA similarity theorem.

Explanation:

#1)  This is a "given" for the proof.  It requires no further explanation.
#2) ∠ABC and ∠DBE are opposite angles that share only a vertex.  This is the definition of vertical angles, and we know that vertical angles are congruent.
#3) The AA similarity theorem states that if two corresponding angles of two triangles are congruent, then the triangles are similar.  This is because all triangles have a sum of 180°.  If two of the angles are congruent, the third angle in both would have to be the same to make them equal 180°.  Thus the triangles are similar.
MrRa [10]3 years ago
5 0
Reason:
1. Given
2. Angles opposite by the vertex
3. Two pair of corresponding angles are congruent (∠C ≅∠E and <span>∠ABC≅∠DBE)</span>
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<em><u>Solution:</u></em>

Let us assume,

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<em><u>Given system of equations are:</u></em>

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<em><u>Let us solve eqn 1 and eqn 2</u></em>

<em><u>Multiply eqn 1 by 2</u></em>

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<em><u>Add eqn 2 and eqn 3</u></em>

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( - ) --------------------

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Substitute a = 1/2 in assumed values

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Substitute b = 2 in assumed value

b = \frac{1}{y}\\\\2 = \frac{1}{y}\\\\y = \frac{1}{2}

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