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In the figure below, there are three right trangles. Complete the following.

A
C
D
B
(a) Write a similiarity statement relating the three right triangles.
ACDA~A~A
(b) Complete each proportion.
BD
BC
BC
DA
DC
=
0
BD
X
5

In the figure below, there are three right trangles. Complete the following. A C D-example-1

1 Answer

4 votes

Part (a)

Let one of the angles be
\theta. After solving for all of the other angles using the triangle sum theorem, we see that
\triangle CDA \sim \triangle BDC \sim \triangle BCA.

Part (b)


(BD)/(BC)=(BC)/(CA), (DA)/(DC)=(DC)/(DB)

User Erbureth
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