inesberiies inesberiies

12-09-2022
Mathematics

contestada

. If BD 1 AC, m/DBE = (2x - 1)°, and
m/CBE = (5x - 42), find the value of x.

If BD 1 AC mDBE 2x 1 and mCBE 5x 42 find the value of x class=

Respuesta :

reinhard10158 reinhard10158

12-09-2022

Step-by-step explanation:

well, because the 2 lines are intersecting each other at a right angle (90°), the complete angle CBD is 90°.

that means the sum of the sub-angles must be 90° :

DBE + CBE = 90

2x - 1 + 5x - 42 = 90

7x = 133

x = 19

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