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Ayushi Kansara
Subject: Maths
, asked on 6/3/18
23. In
∆
ABC, medians BE and CD are produced respectively to points X and Y such that CD = DX and BE = EY as shown in figure. Show the points X, A and Y are collinear. Also, show that A is the mid-point of XY.
24. If O is the centre of a circle as shown in figure, then prove that x + y = z.
Answer
1
Prithika
Subject: Maths
, asked on 6/3/18
Solve this q
Q.2. A cyclic polygon has n sides such that each of its interior angle measures 144
°
. What is the measure of the angle subtended by each of its side at the geometrical centre of the polygon?
(a) 144
°
(b) 30
°
(c) 36
°
(d) 54
°
Answer
1
Rishabh
Subject: Maths
, asked on 6/3/18
Q
.
I
n
t
h
e
f
o
l
l
o
w
i
n
g
f
i
g
u
r
e
,
B
C
=
r
a
d
i
u
s
O
B
.
F
i
n
d
t
h
e
v
a
l
u
e
o
f
∠
O
C
B
.
Answer
1
Rishabh
Subject: Maths
, asked on 6/3/18
Q 26. 3 STD booths situated at A, B and C shown in the figure are operated by handicapped persons. These three booths are equidistant from each other.
i
F
i
n
d
∠
C
O
B
o
r
∠
B
O
C
(ii) Do you think employment provided to handicapped person is important for the development of a society? Justify your answer.
Answer
3
Aniket Mishra
Subject: Maths
, asked on 5/3/18
explain QNo.6 and 5 of exercise 10.4 (ncert) icant understand solutions given in text
Answer
1
Devesh Kumar Biswal
Subject: Maths
, asked on 5/3/18
Please solve question 6
6.
Write whether the statement "The angles subtended by a chord at any two points of a circle are equal" is
True
or
False
. Justify your answer.
Answer
2
Diya Ahunja
Subject: Maths
, asked on 4/3/18
two chords AO, OB are as shown in the figure if AB is the largest chord of the circle and OA = 10 cm, OB= 24 cm what is the radius of the circle
Answer
4
Fatima Nadeem
Subject: Maths
, asked on 2/3/18
Solve this :
53
.
In
the
figure
,
O
is
the
centre
of
the
circle
.
Then
,
which
of
the
following
is
true
?
(
a
)
∠
x
+
∠
y
=
∠
z
(
b
)
∠
x
-
∠
y
=
∠
z
(
c
)
∠
x
=
∠
y
+
2
∠
y
(
d
)
None
of
these
Answer
1
Fatima Nadeem
Subject: Maths
, asked on 1/3/18
53 pls
Q53. In the figure, O is the centre of the circle. Them, Which of the following is true ?
(a)
∠
x +
∠
y =
∠
z (b)
∠
x –
∠
y =
∠
z
(c)
∠
x =
∠
y + 2
∠
y (d) None of these
Answer
2
Ravreet
Subject: Maths
, asked on 28/2/18
if in a circle radius =10 cm and chord ab =ac =4root5 find bc
Answer
2
Akilesh Nairy
Subject: Maths
, asked on 27/2/18
please solve question 15
Answer
2
Aditya Kumar
Subject: Maths
, asked on 26/2/18
Ans quickly
Q.22. In the given figure, arc APB : arc BQC = 2 : 3 and
∠
AOC = 150
°
, Then
∠
ABC is equal to
(A) 150
°
(B) 75
°
(C) 105
°
(D) 135
°
Answer
2
Mansi
Subject: Maths
, asked on 22/2/18
Que 6 plz solve this
Q.6. In the given figure, O is the centre of the circle passing through the points A, B, C and D and DC is produced to point E. If
∠
BAD = 60
°
, find
∠
BCE and
∠
BOD.
Answer
2
Sparsh
Subject: Maths
, asked on 19/2/18
Please help to find these angles
Q. 'O' is the centre of the circle in all the questions.
3.
Find
∠
R
T
Q
=
,
∠
R
Q
T
=
Answer
1
Devesh Kumar Biswal
Subject: Maths
, asked on 18/2/18
Please solve this question
Q. ABCD is a cyclic quadrilateral. FP is the bisector of
∠
F. EP is the bisector of
∠
P. Prove that
∠
P = 90
°
.
Answer
1
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What are you looking for?
24. If O is the centre of a circle as shown in figure, then prove that x + y = z.
Q.2. A cyclic polygon has n sides such that each of its interior angle measures 144. What is the measure of the angle subtended by each of its side at the geometrical centre of the polygon?
(a) 144
(b) 30
(c) 36
(d) 54
(ii) Do you think employment provided to handicapped person is important for the development of a society? Justify your answer.
6. Write whether the statement "The angles subtended by a chord at any two points of a circle are equal" is True or False. Justify your answer.
Q53. In the figure, O is the centre of the circle. Them, Which of the following is true ?
(a) x + y = z (b) x – y = z
(c) x = y + 2 y (d) None of these
Q.22. In the given figure, arc APB : arc BQC = 2 : 3 and AOC = 150, Then ABC is equal to
(A) 150
(B) 75
(C) 105
(D) 135
Q.6. In the given figure, O is the centre of the circle passing through the points A, B, C and D and DC is produced to point E. If BAD = 60, find BCE and BOD.
Q. 'O' is the centre of the circle in all the questions.
3.
Find
Q. ABCD is a cyclic quadrilateral. FP is the bisector of F. EP is the bisector of P. Prove that P = 90.