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Son Ser
Subject: Maths
, asked on 30/1/18
Plzz fast i have exams 2moro. Dont provide any link.
Q27. In the given figure, OP is equal to the diameter of the circle. Prove that ABP is apart equilateral triangle, where A and B are the tangent points of the circle from point P.
Answer
2
Sameer Ahmed
Subject: Maths
, asked on 29/1/18
Plz solve
Answer
2
Shriyanshu Padhi
Subject: Maths
, asked on 29/1/18
Please answer question no 16.
Q.16. In the given figure AC and AD are tangents to a circle at C and D respectively. If
∠
B
C
D
=
44
°
,
t
h
e
n
f
i
n
d
∠
C
A
D
,
∠
A
D
C
,
∠
C
B
D
a
n
d
∠
A
C
D
.
[Ans.
∠
C
A
D
=
88
°
,
∠
A
D
C
=
46
°
,
∠
C
B
D
=
46
°
a
n
d
∠
A
C
D
=
46
°
]
Answer
2
Riya Jeprish
Subject: Maths
, asked on 26/1/18
Solve que no. 7
Q.7. If the tangents drawn from an external point of circle are perpendicular to each other, then find the length of tangent segments given that the radius of circle is 5 cm.
Answer
4
Shrish Vaidya
Subject: Maths
, asked on 25/1/18
prove that the lengths of tangent drawn at mid ppint of an arc of a circle is parallel to the chord joining end points of arc
Answer
2
Shrish Vaidya
Subject: Maths
, asked on 25/1/18
plz solve
Answer
1
Harsh
Subject: Maths
, asked on 25/1/18
13. Prove that the tangent drawn at the mid-point of an arc of a circle is parallel to the chord joining the end points of the arc.
Answer
1
Harsh
Subject: Maths
, asked on 25/1/18
14. In the given figure, O is the centre of the circle and TP is tangent to the circle from an external point T.
i
f
∠
P
B
T
=
30
°
,
p
r
o
v
e
t
h
a
t
B
A
:
A
T
=
2
:
1
.
Answer
1
Harsh
Subject: Maths
, asked on 25/1/18
55. Prove that the line segment joining the points of contact of two parallel tangents of a circle, passes through its centre.
Answer
2
Son Ser
Subject: Maths
, asked on 23/1/18
Q In the given figure AO=AB=1 cm,
∠
A
O
B
=
2
°
.
F
i
n
d
∠
C
A
B
Answer
2
Son Ser
Subject: Maths
, asked on 23/1/18
BAC=2 degree and BA=BC=1cm
Find angle OBA and OBC
Answer
1
Nitin
Subject: Maths
, asked on 23/1/18
Solve this:
Q.5. In the given figure, O is the centre of the circle, PA and PB are tangents to the circle. Find
∠
A
Q
B
Answer
2
Champ Jee
Subject: Maths
, asked on 22/1/18
Prove that the tangent at the extremities of any chord make an equal angle with the chord.
Answer
1
Son Ser
Subject: Maths
, asked on 21/1/18
Solve this:
R
.
T
.
T
=
1
c
=
1
a
+
1
b
Answer
1
Angelin Mariam Daniel
Subject: Maths
, asked on 18/1/18
Prove that OP is perpendicular to AB. If PA and PB are two tangents drawn from point P to a circle with centre O touching it at A and B
Answer
1
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Q27. In the given figure, OP is equal to the diameter of the circle. Prove that ABP is apart equilateral triangle, where A and B are the tangent points of the circle from point P.
Q.16. In the given figure AC and AD are tangents to a circle at C and D respectively. If .
[Ans. ]
Q.7. If the tangents drawn from an external point of circle are perpendicular to each other, then find the length of tangent segments given that the radius of circle is 5 cm.
Find angle OBA and OBC
Q.5. In the given figure, O is the centre of the circle, PA and PB are tangents to the circle. Find