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Jeevaj
Subject: Maths
, asked on 25/3/18
Abcd is a cyclic quadrilateral. If bac=50 degree dbc=60 degree then find bcd
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
Q.1
If a hexagon ABCDEF circumscribe a circle, prove that
AB + CD + EF = BC + DE + FA
Sol. Given
A hexagon ABCDEF circumscribe a circle.
Answer
2
Ayan
Subject: Maths
, asked on 25/3/18
Solve this:
Answer
1
Champ Jee
Subject: Maths
, asked on 24/3/18
Q. In the given figure, TA is a tangent to the circle from point T & TBC is a secant to the circle. If AD is the bisector of angle CAB, prove that triangle ADT is isosceles.
Answer
1
Champ Jee
Subject: Maths
, asked on 24/3/18
Can alternate segment theorem come in boards?
If yes, then show what is it and proof also, please.
Answer
1
Champ Jee
Subject: Maths
, asked on 24/3/18
Que in pic..
Not getting the construction!
Q. Draw a circle of radius 2.3 cm take a point P on it. Without using the centre of the circle. Draw tangent to it at P.
Answer
3
Mohit Sharma
Subject: Maths
, asked on 24/3/18
I did this que. In a different way which is given in ncert page no. 212 . Pls check and tell that can i do this in board exam.
Answer
1
Vishakha
Subject: Maths
, asked on 20/3/18
plzzz answer fast
Answer
1
Amit Rana
Subject: Maths
, asked on 5/3/18
Plzz solve this question sir or mam
Q. In Fig. 2, AB is the diameter of a circle with centre O and AT is a tangent. If
$\angle AOQ=58\xb0,find\angle ATQ$
.
Answer
4
Star Boy
Subject: Maths
, asked on 4/3/18
In the given figure, AB is a chief of a circle and AOC is its diameter such that ACB = 50°. If AT is the tangent to the circle at point A, then find BAT.
Answer
5
Tarun Agrawal
Subject: Maths
, asked on 4/3/18
Solve this:
Q27. Two tangents PQ and PR are drawn from an external point to a circle with centre O. Prove that QORP is a cyclic quadrilateral.
OR
In the given figure, ABCD is a cyclic quadrilateral and PQ is tangent to the circle at C. If BD is a diameter,
$\angle $
DCO and
$\angle $
ABD = 60°, find
$\angle $
BCE.
Answer
1
Payal Arora
Subject: Maths
, asked on 4/3/18
Q. Prove that BC = BD
Answer
1
Son Ser
Subject: Maths
, asked on 3/3/18
Plzz fast i have exams 2moro. Dont provide any link
Q. Prove that
2 r = (n + l - r)
Answer
1
Lakshmi Sridhar
Subject: Maths
, asked on 3/3/18
If all the vertices of a rhombus touches the circle show that the diagonals of the rhombus bisect at the centre.
Answer
1
Champ Jee
Subject: Maths
, asked on 2/3/18
Solve this :
7. In the given figure, circles (O, r) & (O', R) touches each other at P. Prove that OO' is a straight line.
Answer
4
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Q.1If a hexagon ABCDEF circumscribe a circle, prove thatAB + CD + EF = BC + DE + FASol. GivenA hexagon ABCDEF circumscribe a circle.If yes, then show what is it and proof also, please.

Not getting the construction!

Q. Draw a circle of radius 2.3 cm take a point P on it. Without using the centre of the circle. Draw tangent to it at P.

Q. In Fig. 2, AB is the diameter of a circle with centre O and AT is a tangent. If $\angle AOQ=58\xb0,find\angle ATQ$.

Q27. Two tangents PQ and PR are drawn from an external point to a circle with centre O. Prove that QORP is a cyclic quadrilateral.

OR

In the given figure, ABCD is a cyclic quadrilateral and PQ is tangent to the circle at C. If BD is a diameter, $\angle $DCO and $\angle $ABD = 60°, find $\angle $BCE.

Q. Prove that

2 r = (n + l - r)

Solve this :7. In the given figure, circles (O, r) & (O', R) touches each other at P. Prove that OO' is a straight line.