NEED HELP ASAP PLS
Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity.
In the given triangle ABC angle A is 90 degrees and segment AD is perpendicular to Segment BC.
Part A: Identify a pair of similar triangles.
Part B: Explain how you know the triangles from Part A are similar.
Part C: If DB = 9 and DC = 4, find the length of segment DA. Show your work.

NEED HELP ASAP PLS Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity In the given triangle ABC angle A is 90 degrees a class=

Respuesta :

Answer:

( I couldn't open the image but I think this will help)

Step-by-step explanation:

Both triangles ABC and ADB share angle A, which is a right angle.

Both triangles also share angle B because they are both in triangle ABC.

This implies that angle ADB is equal to angle ACB.

By Angle-Angle (AA) similarity criterion, triangles ABC and ADB are similar.

Part C:

Since triangles ABC and ADB are similar, we can set up a proportion to find the length of segment DA.

From the similar triangles, we have:

AB/AD = BC/DB

Substitute the given values into the proportion:

9/AD = 4/4

Cross multiply to solve for AD:

94 = 4AD

36 = 4*AD

AD = 36 / 4

AD = 9

Therefore, the length of segment DA is 9 units.

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