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Amit Rana
Subject: Maths
, asked on 3/2/18
Plzzzz tell this question
Answer
1
Janhavi Patre
Subject: Maths
, asked on 2/2/18
Guys pls help in solving 18. Question mentioned in the given image...
Q.18. In Fig. 4, ABCD is a trapezium with
A
B
∥
D
C
a
n
d
∠
B
C
D
=
30
°
. If BGEC is a sector of a circle with centre C and AB = BC = 7 cm, DE = 4 cm and BF = 3.5 cm, then find the area of the shaded region (use
π
=
22
7
).
Answer
1
Jeevaj
Subject: Maths
, asked on 31/1/18
In this figure, AOB is a quarter circle of radius 10 and PQRO is a rectangle of perimeter 26. The perimeter of the shaded region is:
(1) 13 + 5π (2) 17 + 5π (3) 7 + 10π (4) 7 + 5π
Answer
2
Jeevaj
Subject: Maths
, asked on 31/1/18
Q. Let the radii of the three semicircles all be R, their centres A, B, C arc in a common line, and the circle
with centre D has only one point in common with the given semicircles, respectively. Suppose the radius
of the circle with centre D is r, then R : r equals:
1
5:4
11:3
4:1
3:1
Answer
2
Jeevaj
Subject: Maths
, asked on 31/1/18
63. Two legs of a right triangle are
8
π
a
n
d
9
π
as shown. A circle is drawn so that the area inside the circle but outside the triangle equals the area inside triangle but outside the circle. What is the radius of the circle?
1. 6
2
2. 6
3. 5
4. 8
Answer
2
Bincy K Biju
Subject: Maths
, asked on 29/1/18
What is the angle subtended at the centre of a circle of radius 6 cm by an arc of
length 3 pie cm?....
Answer
1
Aparna Deiva
Subject: Maths
, asked on 29/1/18
coordinates of vertices a b and c are 1,2 3,6 -3,4 p q and r are midpoints of ab ,bc and ca what is perimeter of pqr
Answer
1
Aparna Deiva
Subject: Maths
, asked on 29/1/18
if the disg bw points 4,pand 1,0 is 5 find p
Answer
1
Aparna Deiva
Subject: Maths
, asked on 29/1/18
o is the center of a circle .the tangents intersect at point t from a and b.p is a point on the circle as angle apb is 75.find atb
Answer
2
Aparna Deiva
Subject: Maths
, asked on 29/1/18
a wheel of 50 cm radius is rolling when the wheel rotated 270 the distance covered is
Answer
1
Son Ser
Subject: Maths
, asked on 29/1/18
Plzz fast i have exams 2moro . Dont provide any link.
ABC is a quadrant . AB=r units AC and AB are the tangents of the small circles inside the quadrant . Find the radius of the smaller circle.
Answer
1
Riya Vardhan
Subject: Maths
, asked on 26/1/18
Kindly answer as soon as possible.
I
f
sin
θ
+
cos
θ
=
a
,
t
h
e
n
f
i
n
d
t
h
e
v
a
l
u
e
o
f
sin
6
θ
+
cos
6
θ
.
A
.
3
-
4
(
a
2
+
1
)
2
4
B
.
4
-
3
(
a
2
-
1
)
2
4
C
.
4
-
3
(
a
2
+
1
)
2
4
C
.
3
-
4
(
a
2
-
1
)
2
4
Answer
4
Deisha Gupta
Subject: Maths
, asked on 26/1/18
Q). Find length of the boundary.
Answer
1
Deisha Gupta
Subject: Maths
, asked on 26/1/18
Q). Find the area of shaded region.
Answer
1
Bincy K Biju
Subject: Maths
, asked on 25/1/18
Solve this:
Q.20. Find the area of shaded region, if PR = 24 cm, RQ = 7 cm and O is the centre of the circle.
Answer
2
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What are you looking for?
Q.18. In Fig. 4, ABCD is a trapezium with . If BGEC is a sector of a circle with centre C and AB = BC = 7 cm, DE = 4 cm and BF = 3.5 cm, then find the area of the shaded region (use ).
(1) 13 + 5π (2) 17 + 5π (3) 7 + 10π (4) 7 + 5π
Q. Let the radii of the three semicircles all be R, their centres A, B, C arc in a common line, and the circle
with centre D has only one point in common with the given semicircles, respectively. Suppose the radius
of the circle with centre D is r, then R : r equals:
1. 6
2. 6
3. 5
4. 8
length 3 pie cm?....
ABC is a quadrant . AB=r units AC and AB are the tangents of the small circles inside the quadrant . Find the radius of the smaller circle.
Q.20. Find the area of shaded region, if PR = 24 cm, RQ = 7 cm and O is the centre of the circle.