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Vanshikaa Jani
Subject: Maths
, asked on 11/2/18
AD and BE are medians BE || DF
Prove : C
F
=
$\frac{1}{4}$
AC
AE = CE
BD = DC
DF = OE
Answer
2
Adithya K.b.
Subject: Maths
, asked on 11/2/18
Please answer these questions fast.
Q21. In Figure 12.
$\angle $
BCD =
$\angle $
ADC and
$\angle $
ACB =
$\angle $
BDA. Prove that AD = BC and
$\angle $
A =
$\angle $
B.
$\u2206$
ABC and
$\u2206$
ABD are two triangles on the same base AB, If line segment CD is bisected by
Q22. AB at O. Show that ar (ABC ) = ar (ABD)
Express x = 3y in the form ax + by + c = 0 and indicate the value of a, b and c. Write two
solutions of the equation.
Answer
1
Pranav Jajoo
Subject: Maths
, asked on 10/2/18
Find the length of the median open triangle whose side are 400 cm 240 cm and 320 CM
Answer
1
Adithya K.b.
Subject: Maths
, asked on 10/2/18
Please
Q. In figure 10,
$\angle $
QPR =
$\angle $
PQR and M and N are respectively points on sides QR and PR of
$\u25b3$
PQR, such that QM = PN. Prove that OP = OQ, where O is the point of intersection of PM and QN.
Answer
2
Manvi Garg
Subject: Maths
, asked on 10/2/18
O is any point in the interior of the triangle ABC,then prove that AB+BC+AC is less thanOB+OA+OC
Answer
2
Chandrakant Bellary
Subject: Maths
, asked on 5/2/18
Q.2. In
$\u25b3ABC$
, right angle at B,
$BO\perp AC$
. Show that
$\angle 1=\angle 2$
.
Answer
2
Chandrakant Bellary
Subject: Maths
, asked on 4/2/18
how to do this
Q. The side QR of
$\u25b3$
PQR is produced to a point S. If the bisectors of
$\angle $
PQR and
$\angle $
PRS meet at a point T, prove that
$\angle QTR=\frac{1}{2}\angle QPR$
.
Answer
2
Chandrakant Bellary
Subject: Maths
, asked on 4/2/18
$In\u25b3ABC,rightangledatB,BO\perp AC.Showthat\angle 1=\angle 2(i.e.,\angle ABO=\angle BCO)$
Answer
1
Chandrakant Bellary
Subject: Maths
, asked on 4/2/18
Of the 3 angles of a Δ, 1 is half the greatest and thrice the smallest. Find the angles.
Answer
1
Gagandeep Singh
Subject: Maths
, asked on 4/2/18
Solve this:
Answer
1
Aryan Jaggi
Subject: Maths
, asked on 3/2/18
Q.29. In the given figure, AB is parallel to DC. If
$x=\frac{4}{3}yandy=\frac{3}{8}z$
, find
$\angle BCD,\angle ABCand\angle BAD$
,
[Ans.
$\angle BCD=96\xb0,\angle ABC=84\xb0and\angle BAD=60\xb0$
]
Answer
3
Aryan Jaggi
Subject: Maths
, asked on 3/2/18
Q.16. In the given figure, ABC is a right triangle, right angled at B. BD is drawn perpendicular to AC. Show that
$\angle 1=\angle 2$
.
Answer
2
Aryan Jaggi
Subject: Maths
, asked on 2/2/18
Experts are requested to pls answer step wise
$\u2206ABCisarighttrianglesuchthatAB=ACandbisectorofangleCintersectsthesideABatD.ProvethatAC+AD=BC$
Answer
1
Aryan Jaggi
Subject: Maths
, asked on 31/1/18
Q. A resident welfare association of some society decides to use a triangular part of the compound of society for celebrating all cultural and national festivals together.The triangular area used is shown in the figure.
(a) If BC is trisected by points D and E, show that areas allotted for stage performance, food mela and craft mela are equal.
b) What social value is depicted from the above situation ?
Answer
1
Aryan Jaggi
Subject: Maths
, asked on 31/1/18
Q.27. In the given figure, PQ and RS are perpendiculars to QS, QA = BS and PB = AR. Prove that
$\angle $
QPB =
$\angle $
SRA.
Answer
1
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What are you looking for?

Prove : CF = $\frac{1}{4}$ AC

AE = CE

BD = DC

DF = OE

Q21. In Figure 12. $\angle $BCD = $\angle $ADC and $\angle $ACB = $\angle $BDA. Prove that AD = BC and $\angle $A = $\angle $B.

$\u2206$ABC and $\u2206$ABD are two triangles on the same base AB, If line segment CD is bisected by

Q22. AB at O. Show that ar (ABC ) = ar (ABD)

Express x = 3y in the form ax + by + c = 0 and indicate the value of a, b and c. Write two

solutions of the equation.

Q. In figure 10, $\angle $QPR = $\angle $PQR and M and N are respectively points on sides QR and PR of $\u25b3$PQR, such that QM = PN. Prove that OP = OQ, where O is the point of intersection of PM and QN.

Q. The side QR of $\u25b3$PQR is produced to a point S. If the bisectors of $\angle $PQR and $\angle $PRS meet at a point T, prove that $\angle QTR=\frac{1}{2}\angle QPR$.

[Ans. $\angle BCD=96\xb0,\angle ABC=84\xb0and\angle BAD=60\xb0$]

Experts are requested to pls answer step wise $\u2206ABCisarighttrianglesuchthatAB=ACandbisectorofangleCintersectsthesideABatD.ProvethatAC+AD=BC$

(a) If BC is trisected by points D and E, show that areas allotted for stage performance, food mela and craft mela are equal.

b) What social value is depicted from the above situation ?