please help me please Q.20 and 21.
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Answered by
1
Answer:
Let
Q
S
R
T
meet at
U
Consider
△
R
U
S
and
△
Q
U
T
R
S
=
Q
T
Q
S
=
R
T
∠
R
U
S
=
∠
Q
U
T
⟹
△
R
U
S
,
△
Q
U
T
are congruent
Consider
△
P
R
T
and
△
P
Q
S
∠
P
R
T
=
∠
P
Q
S
∠
R
T
P
=
∠
Q
S
P
R
T
=
S
Q
⟹
△
P
R
T
,
△
P
Q
S
are congruent
⟹
P
Q
=
P
R
Step-by-step explanation:
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ans -20
Answered by
2
Answer:
I am week in maths,I don't know it's answer
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