2. In the following figure, triangle ABC and triangle DEF are similar. What is the value of x ? Triangle ABC and triangle DEF ar
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Mass of the sixth article will be :
Consider triangles ADC and BEC.
1. BE⊥AC (statement ) and AD⊥BC;
CB≅CA (statement )
Reason: Given.
2. ∠ADC (statement ) and ∠BEC are right angles.
Reason: Perpendicular lines form right (statement ) angles.
3. ∠BCE (statement ) = ∠ACD (statement
)
Reason: Reflexive Property of Congruence (statement ).
4. ΔADC≅ΔBEC (statement ).
Reason: HA Postulate (statement ).