In triangle abc ABC =90 if bd =8cm ,ad=4 cm find cd and ab
Answers
Answered by
0
Answer:
Step-by-step explanation:
Given
∠
A
B
C
=
90
∘
,
B
D
is perpendicular to
A
C
,
B
D
=
8
,
and
A
D
=
4
, as shown in the diagram.
Let
∠
A
C
B
=
x
,
⇒
∠
C
B
D
=
90
−
x
⇒
∠
A
B
D
=
x
,
⇒
∠
B
A
D
=
90
−
x
⇒
Δ
A
B
C
,
Δ
A
D
B
,
and
Δ
B
D
C
are similar
⇒
B
D
C
D
=
A
D
D
B
⇒
8
C
D
=
4
8
⇒
C
D
=
8
×
8
4
=
16
Answered by
2
cd=4 cm........
ab=8 cm........
ab=8 cm........
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