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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
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4 votes
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-example-1
In the figure, what is the length of the tangent from the external point D to point-example-1
In the figure, what is the length of the tangent from the external point D to point-example-2
User John Shields
by
8.5k points

2 Answers

4 votes
The answer is B) 4 all you have to do is count
User Starbugs
by
8.8k points
4 votes
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
User Thomas Read
by
8.6k points
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