13.
7. In the given figure, ZR = 90° and D is mid-point of
PR, find :
tan ZQPR
tan ZPQR
(1)
(ii)
tan ZRDQ
tan ZDQR
Answers
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1
Answer:
ANSWER
In the given figure,
∠C=90
∘
In △ABC,
tan∠ABC=
B
P
=
BC
AC
In △CDB,
tan∠DBC=
B
P
=
BC
CD
Now,
tan∠DBC
tan∠ABC
=
BC
CD
BC
AC
tan∠DBC
tan∠ABC
=
CD
AC
tan∠DBC
tan∠ABC
=
CD
2CD
tan∠DBC
tan∠ABC
=2 (D is mid point of AC)
Step-by-step explanation:
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