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12-07-2020
Mathematics

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HELP PLEASEEE 9th Grade Geometry

HELP PLEASEEE 9th Grade Geometry class=

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MathPhys MathPhys

13-07-2020

Step-by-step explanation:

AD ≅ BC, Given

∠BCD ≅ ∠ADC, Given

CD ≅ CD, Reflexive property

ΔBCD ≅ ΔADC, SAS congruence

∠BDC ≅ ∠ACD, CPCTC

ΔECD is an isosceles triangle, definition of isosceles

DE ≅ CE, properties of isosceles triangles

Answer Link

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