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Vanshi Bhanushali
Subject: Maths
, asked on 7/10/17
19. If
$\frac{{27}^{n}\times {3}^{6}\times {\left(27\right)}^{3}}{9\times {\left(81\right)}^{4}}=27$
, find
n
.
20. Make
d
the subject of the formula
$S=\frac{n}{2}\left[2a+\left(n-2\right)d\right]$
. Find
d
when
S
= 256,
a
= – 4 and
n
= 16.
Answer
1
Vanshi Bhanushali
Subject: Maths
, asked on 7/10/17
Q no 20 @22
Q20. Given that PR =PS, RQ = PS and
$\angle $
SPT =102°, find the value of unknown angle
$\angle $
RPQ from the given figure.
Q22. AB is the diameter of a given circle with centre O. If PA = PB and
$\angle $
PAC = 20°, find the value of
$\angle $
PAB and
$\angle $
ABC.
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 15/12/21
Sol4 area of circle circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 14/12/21
Q18 circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 14/12/21
Q17 , ch circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Sol for 8 ch circumference and area of circle
Answer
2
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Sol for17 chapter circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Ans3 circumference and area of circle
Answer
2
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Sol of 4 circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Sol of 18,19 circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Solution for 16,17 ch circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 13/12/21
Q8 solution ch circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 10/12/21
Q8 ch circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 10/12/21
Tell sol for Q9 ch circumference and area of circle
Answer
1
Nandani Bijalwan
Subject: Maths
, asked on 10/12/21
Pls tell formulas used in chapter circumference and area of circle
Answer
1
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n.20. Make

dthe subject of the formula $S=\frac{n}{2}\left[2a+\left(n-2\right)d\right]$. FinddwhenS= 256,a= – 4 andn= 16.Q20. Given that PR =PS, RQ = PS and $\angle $SPT =102°, find the value of unknown angle $\angle $RPQ from the given figure.

Q22. AB is the diameter of a given circle with centre O. If PA = PB and $\angle $PAC = 20°, find the value of $\angle $PAB and $\angle $ABC.