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16-09-2020
Mathematics

contestada

can someone please help me with this.

can someone please help me with this class=

Respuesta :

zarampa zarampa

17-09-2020

Answer:

BC = 25units

Step-by-step explanation:

The image indicates that:

∡ABC = ∡BCA

then this triangle is a isosceles triangle

then:

AB = AC

4x + 4 = 6x - 14

4 + 14 = 6x - 4x

18 = 2x

x = 18/2

x = 9

then:

BC = 2x + 7

BC = 2*9 + 7

BC = 18 + 7

BC = 25 Units

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