authortarablack
authortarablack authortarablack
  • 21-07-2021
  • Mathematics
contestada

Solve triangles: angle bisector theorem
DAC = BAD.
What is the length of CD?
Round to one decimal place.

Solve triangles angle bisector theorem DAC BAD What is the length of CD Round to one decimal place class=

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jcherry99
jcherry99 jcherry99
  • 22-07-2021

Answer:

Step-by-step explanation:

CD/6.5 = 2.6/4.9    This is the result of the angle bisector theorem.

The theorem basically says that the side opposite the angle being bisected is divided  the ratio of the sides enclosing the angle.

Multiply both sides of the proportion by 6.5

CD = 2.6 * 6.5 / 4.9

CD = 3.4489

CD = 3.4 rounded.

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