Given that ab is a tangent if circle with center at x, ab=12, and xd=2.5, which is the length of db

Question

Mathematics

Gideon Hutchinson

7 February, 09:10

Given that ab is a tangent if circle with center at x, ab=12, and xd=2.5, which is the length of db

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Answers (1)

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Celeste Bowen · Answer 1

So if u draw out the questions

so xbd is a triangle : so xb is 12/2 cm = 6 cm

xd is 2.5 cm and because of the Pythagoras theorem

6^2+2.5^2=bd^2

42.25=bd^2

bd=6.5