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Aalaa Ali Hasan
Subject: Maths
, asked on 1/3/18
From a circular card sheet of radius 14 cm, 2 circles of radius 3.5 cm and a rectangle of length 3 cm and breadth 1 cm are removed. Find the area of the remaining sheet ( TAKE pie = 22/7)
Answer
2
Sujoy Banbyopadhyay
Subject: Maths
, asked on 28/2/18
kindly answer the second part of 19th question
Answer
1
Sujoy Banbyopadhyay
Subject: Maths
, asked on 28/2/18
kindly answer the second part
Answer
1
Aditya Sharma
Subject: Maths
, asked on 27/2/18
please help me how can we find the area?
Q.10. In the following figures, find the area of the shaded portions:
(i)
(ii)
Answer
4
Vani Rawat
Subject: Maths
, asked on 27/2/18
Q.6. The areas of two concentric circles are
314
2
7
m
2
a
n
d
707
1
7
m
2
. Find the width between the circles.
Answer
1
Santanu Sahoo
Subject: Maths
, asked on 25/2/18
Q. In Fig 11.31, (a) Which square has the larger perimeter? (b) Which is larger, perimeter of smaller square or the circumference of the circle?
Answer
3
Priyanshi Kochar
Subject: Maths
, asked on 25/2/18
How many times a wheel of radius 30 cm must rotate to go 600 m
Answer
1
Priyanshi Kochar
Subject: Maths
, asked on 24/2/18
Solve this:
Q. Anu wants to fence the garden in front of her house with three sides length 20 m, 12 m and 12 m. Find the cost of fencing at the rate of Rs. 15.50.
Answer
1
Dakshita Chand
Subject: Maths
, asked on 23/2/18
Can you tell me why?
Q. Circumference of a circle is always
(a) more than three times of its diameter
(b) three times of its diameter
(c) less than three times of its diameter
(d) three times of its radius
Answer
1
Dakshita Chand
Subject: Maths
, asked on 21/2/18
In Fig. 9.21, if PR = 12 cm, QR = 6 cm and PL = 8 cm, then QM is
(a) 6 cm
(b) 9 cm
(c) 4 cm
(d) 2 cm
Answer
1
Aniruddh
Subject: Maths
, asked on 19/2/18
Q.24. Find the area of the following figure.
Answer
1
Dakshita Chand
Subject: Maths
, asked on 19/2/18
(Solution also)
Q. In reference to a circle the value of
π
is equal to
(a)
a
r
e
a
c
i
r
c
u
m
f
e
r
e
n
c
e
(b)
a
r
e
a
d
i
a
m
e
t
e
r
(c)
c
i
r
c
u
m
f
e
r
e
n
c
e
d
i
a
m
e
t
e
r
(d)
c
i
r
c
u
m
f
e
r
e
n
c
e
r
a
d
i
u
s
Answer
1
Dakshita Chand
Subject: Maths
, asked on 18/2/18
(Solution also)
Q. Area of shaded portion in Fig. 9.15 is
(a) 25
c
m
2
(b) 15
c
m
2
(c) 14
c
m
2
(d) 10
c
m
2
Answer
3
Vedant Milind Warade
Subject: Maths
, asked on 18/2/18
solve
Q. Find the area of a right-angled triangle with hypotenuse 25 cm and altitude 24 cm.
Answer
2
Nikhil Bokil
Subject: Maths
, asked on 12/2/18
whatswrongwith u re not that sir which i have met?
Answer
1
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What are you looking for?
Q.10. In the following figures, find the area of the shaded portions:
(i)
(ii)
Q. Anu wants to fence the garden in front of her house with three sides length 20 m, 12 m and 12 m. Find the cost of fencing at the rate of Rs. 15.50.
Q. Circumference of a circle is always
(a) more than three times of its diameter
(b) three times of its diameter
(c) less than three times of its diameter
(d) three times of its radius
(a) 6 cm
(b) 9 cm
(c) 4 cm
(d) 2 cm
Q. In reference to a circle the value of is equal to
(a)
(b)
(c)
(d)
Q. Area of shaded portion in Fig. 9.15 is
(a) 25
(b) 15
(c) 14
(d) 10
Q. Find the area of a right-angled triangle with hypotenuse 25 cm and altitude 24 cm.