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20-09-2020
Mathematics

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Find the value of x in each case. PLEASE HELP

Find the value of x in each case PLEASE HELP class=

Respuesta :

jimrgrant1 jimrgrant1

20-09-2020

Answer:

x = 23

Step-by-step explanation:

∠ ABE = ∠ BEF = 4x ( alternate angles )

Since DBF is a straight line then the 3 angles sum to 180°, that is

x + 4x + 65 = 180

5x + 65 = 180 ( subtract 65 from both sides )

5x = 115 ( divide both sides by 5 )

x = 23

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