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Rajay Rajay Chakrasingh
Subject: Maths
, asked on 22/5/18
Solve this:
Q.19. If the angles of elevation of the top of a tower from two points distance s and t (s > t) from its foot are 30
°
and 60
°
respectively, then the height of the tower is
(a)
s
+
t
(b)
s
t
(c)
s
-
t
(d)
s
t
Answer
1
Khushboo
Subject: Maths
, asked on 17/5/18
BOARD QUESTIONS: Do give correct answer of the 1st question."DO NOT SEND ANSWERS THROUGH LINKS"
Q.1. In the adjoining figure, the medians BD and CE of a
△
ABC meet at the point G. Prove that
(i)
△
EGD
~
△
CGB.
(ii) BG = 2GD
Answer
1
Khushboo
Subject: Maths
, asked on 17/5/18
?o ???w?? ?h? 1?? q?????on."?? ??? ???? ??? ???K$
1. In the adjoining figure, the medians BD and CE of a
△
ABC meet at the point G. prove that
(i)
△
EGD
~
△
CGB.
(ii) BG = 2GD
Answer
3
Khushboo
Subject: Maths
, asked on 10/5/18
!!!"DO NOT SEND ANY LINKS" .Answer the 2nd question
Q.2. A model of a ship is made to a scale 1 : 300.
(i) The length of the model of the ship is 2 m. Calculate the length of the ship.
(ii) The area of the deck of the ship is 180 000
m
2
. Calculate the area of the deck of the deck of the model.
(iii) The volume of the model is 6.5
m
3
. Calculate the volume of the ship.
Answer
1
Khushboo
Subject: Maths
, asked on 3/5/18
!!!"DO NOT SEND ANY LINKS" .Answer the 7th question
Q.7. In the figure ABCD is a parallelogram. E is the point on CD, AE intersect BD at O. EF
∥
CB and DF : FB = 3 : 1. Find
(i) area of
△
DFE : area of
△
DBC
(ii) area of
△
DFE : area of trapezium EFBC.
Answer
1
Yuvraj Surana
Subject: Maths
, asked on 30/4/18
Question b and c , figure no.2 and3 resp.
Q(b). In the figure (2) given below,
∠
ADE =
∠
ACB.
(i) Prove that
∆
s ABC and AED are similar.
(ii) If AE = 3 cm, BD = 1 cm and AB = 6 cm, calculate AC.
Q(c). In the figure (3) given below,
∠
PQR =
∠
PRS. Prove that triangles PQR and PRS are similar. If PR = 8 cm, PS = 4 cm, calculate PQ.
Answer
2
Khushboo
Subject: Maths
, asked on 27/4/18
!!!"DO NOT SEND ANY LINKS" .Answer the 7th question
7
.
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n
△
P
Q
R
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o
f
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N
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d
R
M
a
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d
P
M
M
Q
=
2
3
(
i
)
F
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n
d
M
N
Q
R
(
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)
P
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v
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△
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Q
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f
△
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M
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:
a
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a
o
f
△
O
R
Q
Answer
1
Khushboo
Subject: Maths
, asked on 26/4/18
!!!"DO NOT SEND ANY LINKS" .Answer the 7th question
Q.7. In
△
PQR, MN is parallel to QR, O is the point of intersection of QN and RM and
P
M
M
Q
=
2
3
Answer
2
Khushboo
Subject: Maths
, asked on 21/4/18
I have said many times that "DO NOT SEND SIMILAR QUERIES BECAUSE LINK COULD NOT BE OPENED DUE TO SOME TECHNICAL PROBLEM".So Expert Vaibhav kindly do not send link.?
-Repeating the question:-?
Answer 1st question.
Q1. On a map drawn to a scale of 1 : 250000, a rectangular plot of land ABCD has the following measurements. AB = 12 cm, BC = 16cm,
∠
A,
∠
B,
∠
C,
∠
D are each equal to 90°. Calculate.
(i) the diagonal distance of the plot in km.
(ii) the area of the plot in sq. km.
Answer
1
Khushboo
Subject: Maths
, asked on 21/4/18
1. On a map drawn to a scale Of I: 250000, a rectangular plot of land ABCD has the following measurements. AB = 12cm, BC=16cm,
∠
A,
∠
B,
∠
C,
∠
D are-each equal to 90
°
. Calculate
(i) the diagonal distance of the plot in km.
(ii) the area of the plot in sq_km
Answer
1
Avani Singh
Subject: Maths
, asked on 21/11/22
Help me experts ....
Answer
1
Avani Singh
Subject: Maths
, asked on 19/11/22
Help! Help! Help! Help! Help please
Answer
1
Avani Singh
Subject: Maths
, asked on 19/11/22
Please help me experts
Answer
1
Avani Singh
Subject: Maths
, asked on 19/11/22
Please help me experts ....................
Answer
1
Debadrita Roy
Subject: Maths
, asked on 24/10/22
In triangle ABC if angle A : angle B: angle C = 1:2:4
Prove that (1/AB)+ (1/AC) = (1/BC)
Answer
1
1
2
3
4
5
Next
What are you looking for?
Q.19. If the angles of elevation of the top of a tower from two points distance s and t (s > t) from its foot are 30 and 60 respectively, then the height of the tower is
(a)
(b)
(c)
(d)
Q.1. In the adjoining figure, the medians BD and CE of a ABC meet at the point G. Prove that
(i) EGDCGB.
(ii) BG = 2GD
1. In the adjoining figure, the medians BD and CE of a ABC meet at the point G. prove that
(i) EGD CGB.
(ii) BG = 2GD
Q.2. A model of a ship is made to a scale 1 : 300.
(i) The length of the model of the ship is 2 m. Calculate the length of the ship.
(ii) The area of the deck of the ship is 180 000 . Calculate the area of the deck of the deck of the model.
(iii) The volume of the model is 6.5 . Calculate the volume of the ship.
Q.7. In the figure ABCD is a parallelogram. E is the point on CD, AE intersect BD at O. EFCB and DF : FB = 3 : 1. Find
(i) area of DFE : area of DBC
(ii) area of DFE : area of trapezium EFBC.
Q(b). In the figure (2) given below, ADE = ACB.
(i) Prove that s ABC and AED are similar.
(ii) If AE = 3 cm, BD = 1 cm and AB = 6 cm, calculate AC.
Q(c). In the figure (3) given below, PQR = PRS. Prove that triangles PQR and PRS are similar. If PR = 8 cm, PS = 4 cm, calculate PQ.
Q.7. In PQR, MN is parallel to QR, O is the point of intersection of QN and RM and
-Repeating the question:-?
Answer 1st question.
Q1. On a map drawn to a scale of 1 : 250000, a rectangular plot of land ABCD has the following measurements. AB = 12 cm, BC = 16cm, A, B, C, D are each equal to 90°. Calculate.
(i) the diagonal distance of the plot in km.
(ii) the area of the plot in sq. km.
(i) the diagonal distance of the plot in km.
(ii) the area of the plot in sq_km
Prove that (1/AB)+ (1/AC) = (1/BC)