dallisjuhnke dallisjuhnke

28-02-2019
Mathematics

contestada

Help!
In parallelogram ABCD, BE=10x-3 and DE=8x-1.
What is BD?
Question options:
7 units

14 units

21 units

Help In parallelogram ABCD BE10x3 and DE8x1 What is BD Question options 7 units 14 units 21 units class=

Respuesta :

remotecontrolbrain remotecontrolbrain

28-02-2019

Answer:

14 units

Step-by-step explanation:

BE = 10x-3

DE = 8x -1

In a parallelogram, diagonals meet each other at their center points:

BE = DE

10x - 3 = 8x -1

2x = 2

x = 1

The length BD = BE + DE = 18x -4 = 18*1 -4 = 14 units

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