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In the figure, what is the length of the tangent from the external point D to point B?

A. 2
B. 4
C. 7
D. 5

In the figure what is the length of the tangent from the external point D to point B A 2 B 4 C 7 D 5 class=
In the figure what is the length of the tangent from the external point D to point B A 2 B 4 C 7 D 5 class=

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555countrylife
The answer is B) 4 all you have to do is count
Louli
The length of the tangent from point D to point B can be calculated by adding the length of BC to the length of BD.

We are given that:
BC = 2 units
CD = 2 units

Therefore:
BD = BC + CD
BD = 2 + 2 
BD = 4 units

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