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अर्कज ..
Subject: Maths
, asked on 23/3/18
Solve this:
Question No. 1
Use the following information to answer the next question.
The adjacent figure shows two squares ABCD and PQRS inscribed in two concentric circles. The sides of ABCD are tangents to the circumcircle of PQRS.
The ratio of the areas of the square ABCD and the square PQRS is
A. 2 : 1
B. 5 : 4
C. 1 : 3
D. 2 : 3
Answer
1
अर्कज ..
Subject: Maths
, asked on 23/3/18
Solve this:
Question No. 7
Use the following information to answer the next answer.
The slant height of an ice cream cone is 10 cm. The angle made
by the slant height with the base is 600.
The radius of the base is
(A) 4 cm
(B) 5 cm
(C)
2
4
c
m
(D)
3
5
c
m
Answer
5
अर्कज ..
Subject: Maths
, asked on 23/3/18
5. A circle is inscribed in the square ABCD as shown in the figure. The length of the side of the square is 6 cm long. What will be the area of the equilateral triangle EFG?
1
.
10
.
598
c
m
2
2
.
11
.
097
c
m
2
3
.
11
.
988
c
m
2
4
.
12
.
187
c
m
2
Answer
1
Champ Jee
Subject: Maths
, asked on 6/3/18
In the fig, find the area of the shaded region, if ABCDEF is a regular hexagon with different vertices A, B, C, D, E, F as the centres of circles with same radius "
r
" are drawn.
Answer
3
Shreya Sarkar
Subject: Maths
, asked on 3/3/18
Please answer fast.find the area of shaded region.
Q. ABCD is a square. Find the area of shaded region.
Answer
2
Champ Jee
Subject: Maths
, asked on 1/3/18
Q45. What is cross section here? What is the perimeter and what is the area? Pls teach in a simple way by giving an explanation and not any links! And pls give the answer?
Q.45. Figure 15.105, shows the cross-section of railway tunnel. The radius OA of the circular part is 2 m. If
∠
A
O
B
=
90
°
, calculate:
(i) the height of the tunnel
(ii) the perimeter of the cross-section
(iii) the area of the cross-section.
Answer
1
Kotireddy Bobba
Subject: Maths
, asked on 28/2/18
Q. Find the area of the shaded region.
Answer
4
Champ Jee
Subject: Maths
, asked on 28/2/18
Please answer this:
Q. In the adjoining figure, ABCD is a square of side 6 cm. Find the area of the shaded region.
Answer
1
Aashish Kumar
Subject: Maths
, asked on 27/2/18
If APB AND AQP are semicircles and and AO=OB if the perimeter of the figure find the area of the shaded region
Answer
2
Abhishek
Subject: Maths
, asked on 27/2/18
Solve this:
Q.20. A regular hexagon is inscribed in a circle. If the area of hexagon is
24
3
c
m
2
, find the area of the circle. (Use
π
= 3.14)
Answer
1
Akhil Hakkim
Subject: Maths
, asked on 25/2/18
R
a
d
i
u
s
o
f
c
i
r
c
l
e
=
32
m
A
D
i
s
t
h
e
m
e
d
i
a
n
o
f
∆
A
B
C
A
O
=
2
/
3
A
D
=
32
A
D
=
48
c
m
i
n
∆
A
B
D
A
B
2
=
A
D
2
+
B
D
2
Answer
1
Krisha 💫
Subject: Maths
, asked on 25/2/18
No.36:
36. Find the perimeter of the given figure, where AED is asemi -circle and ABCD is a rectangle.
(A) 90
o
(B) 40
o
(C) 50
o
(D) 60
o
Answer
2
Champ Jee
Subject: Maths
, asked on 25/2/18
please answer as soon as possible ....
thanks
Given,
radius of each three circle is 5 cm.
find the area of shaded region.
Answer
4
Amit Rana
Subject: Maths
, asked on 24/2/18
Plzzzz tell this question
Q. AB = 36 cm then find the area of shaded region.
Answer
1
Utkarsh Tyagi
Subject: Maths
, asked on 21/2/18
A chord of a circle subtends an angle of θ at the centre of the circle. The area of the minor segment cut off by the chord is one-eighth of the area of the circle.
Prove that 8 sin
θ
2
cos
θ
2
+
π
=
πθ
45
.
Answer
4
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What are you looking for?
Question No. 1
Use the following information to answer the next question.
The adjacent figure shows two squares ABCD and PQRS inscribed in two concentric circles. The sides of ABCD are tangents to the circumcircle of PQRS.
The ratio of the areas of the square ABCD and the square PQRS is
A. 2 : 1
B. 5 : 4
C. 1 : 3
D. 2 : 3
Question No. 7
Use the following information to answer the next answer.
The slant height of an ice cream cone is 10 cm. The angle made
by the slant height with the base is 600.
The radius of the base is
(A) 4 cm
(B) 5 cm
(C)
(D)
Q. ABCD is a square. Find the area of shaded region.
Q.45. Figure 15.105, shows the cross-section of railway tunnel. The radius OA of the circular part is 2 m. If , calculate:
(i) the height of the tunnel
(ii) the perimeter of the cross-section
(iii) the area of the cross-section.
Q. In the adjoining figure, ABCD is a square of side 6 cm. Find the area of the shaded region.
Q.20. A regular hexagon is inscribed in a circle. If the area of hexagon is , find the area of the circle. (Use = 3.14)
36. Find the perimeter of the given figure, where AED is asemi -circle and ABCD is a rectangle.
(A) 90o
(B) 40o
(C) 50o
(D) 60o
Q. AB = 36 cm then find the area of shaded region.
Prove that 8 sin .