mnematova24 mnematova24

22-01-2021
Mathematics

contestada

Given: triangle ABC and triangle EDC, C is the midpoint of BD and AE.
Prove: AB || DE

Given triangle ABC and triangle EDC C is the midpoint of BD and AE Prove AB DE class=

Respuesta :

evgeniylevi evgeniylevi

22-01-2021

Step-by-step explanation:

1. ΔABC=ΔCDE: a) according to the condition BC=CD and AC=CE; b) m∠(BCA)=m∠(DCE).

2. if ΔABC=ΔCDE, then m∠(BAC)=m∠(DEC) and m∠(ABC)=m∠(CDE).

3. if m∠(BAC)=m∠(DEC), then AB || DE (or if m∠(ABC)=m∠(CDE), then AB || DE).

Answer Link

Otras preguntas

Draw the number line and represent integers from -6 to 5 and answer the following using the number line. How many integers are there between a. -2 and 5 b. -4 a

Last year, Yoko had 20.000$ to invest. She invested some of it in an account that paid 6% simple interest per year, and she invested the rest in an account that

Set up a linear system and solve. The sum of two positive integers is 17. When the smaller integer is subtracted from five times the larger, the result is 43. F

discuss five challenges you encountered while doing this research about teenage pregnancy

The equations and graphs of four linear functions are shown.

High school students across the nation compete in a financial capability challenge each year by taking a National Financial Capability Challenge Exam. Students

Each chemical in the lab must have a Safety Data Sheet (SDS) that describes its properties and potential hazards including: dtneinreigs

This graph corresponds to which inequality? y > 4x - 3 y ≥ 4x - 3 y < 4x - 3 y ≤ 4x - 3

Please evaluate the composite function and find (f•g)(4)

3y (2y-7) - 3 (y-4) for y = 1