Congruence and Similarity to Solve Problems
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
In right
△
A
B
C
\triangle ABC
△
A
B
C
,
A
D
=
4
AD=4
A
D
=
4
and
D
B
=
5
DB=5
D
B
=
5
on hypotenuse
A
B
AB
A
B
. What is
A
B
AB
A
B
?
QUESTION
In
△
A
B
C
\triangle ABC
△
A
B
C
,
D
E
∥
B
C
DE\parallel BC
D
E
∥
B
C
,
A
D
=
4
AD=4
A
D
=
4
,
A
B
=
10
AB=10
A
B
=
10
, and
B
C
=
15
BC=15
B
C
=
15
. What is
D
E
DE
D
E
?
QUESTION
In right
△
A
B
C
\triangle ABC
△
A
B
C
with hypotenuse
A
B
=
13
AB=13
A
B
=
13
and leg
A
C
=
5
AC=5
A
C
=
5
, what is the other leg
B
C
BC
B
C
?
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ANSWER
12
12
12
.
13
2
−
5
2
=
169
−
25
=
12
\sqrt{13^2 - 5^2} = \sqrt{169 - 25} = 12
1
3
2
−
5
2
=
169
−
25
=
12
.
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