Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged properties of triangles
+1
vote
1
answer
ABC is a triangular plate of uniform thickness. The sides are in the ratio shown in the figure. IAB, IBC and ICA are the moments
asked
Apr 7, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
properties of triangles
jee
bseb model set
jee mains
class-12
+1
vote
1
answer
If in a ∆ABC, cosA + 2cosB + cos C = 2, then a, b, c are in
asked
Apr 6, 2019
in
JEE
by
kratos
jee
jee mains
properties of triangles
+3
votes
1
answer
Find x, y, z (whichever is required) from the figure.
asked
Apr 5, 2019
in
Class 10
by
kratos
properties of triangles
trigonometry
class-10
class-7
triangles
congruent triangles
+3
votes
1
answer
If A = [(1, 2), (2, 1)] B = [(2, 0), (1, 3)] and C = [(1, 1), (2, 3)] Calculate AC BC and (A+ B).C. Also verify that (A + B). C = AC + BC.
asked
Apr 4, 2019
in
JEE
by
kratos
properties of triangles
class-11
jee
probability
class-7
jee mains
statistics
construction of triangles
congruent triangles
+2
votes
1
answer
In a △ABC, AD is the altitude from A such that AD = 12 cm. BD = 9 cm and DC = 16 cm. Examine if △ABC is right angled at A.
asked
Apr 4, 2019
by
kratos
class-7
properties of triangles
+1
vote
1
answer
Internal bisector of ∠A of triangle ABC meets side BC at D. A line drawn through D perpendicular to AD intersects
asked
Apr 3, 2019
in
JEE
by
kratos
properties of triangles
jee
class-9
class-7
jee mains
triangles
congruence and inequalities of triangles
triangle
+1
vote
1
answer
Prove that a triangle ABC is equilateral if and only if tan A + tan B + tan C = 3√3.
asked
Apr 2, 2019
in
JEE
by
kratos
jee
triangle
jee mains
properties of triangles
+3
votes
1
answer
With usual notation, if in a triangle ABC (b + c)/11 = (c + a)/12 = (a + b)/13,
asked
Apr 1, 2019
in
JEE
by
kratos
properties of triangles
jee
jee mains
triangles
triangle
+1
vote
1
answer
Show that a/sinA + b/sinB + c/sinC = 2R where R is the circumcentre of ΔABC
asked
Apr 1, 2019
in
JEE
by
kratos
properties of triangles
jee
vectors
matrices
determinants
jee mains
class-12
+1
vote
1
answer
In the given figure, AE is the diameter of the circle. Write down the numerical value of ∠ABC + ∠CDE. Give reasons for your answer.
asked
Apr 1, 2019
in
Class 10
by
kratos
properties of triangles
circles
lines and angles
class-9
class-7
icse
class-10
+1
vote
1
answer
1. Triangle ABC is an
asked
Mar 31, 2019
in
JEE
by
kratos
jee
jee mains
properties of triangles
+3
votes
1
answer
Linguistic barriers include (a) aggression (b) lack of space (c) ambiguous words (d) time
asked
Mar 29, 2019
in
JEE
by
kratos
ncc
properties of triangles
cbse
jee
general principles of pharmacology
jee mains
class-12
+3
votes
1
answer
If a, b, c the sides of ΔABC are in A.P. and a is the smallest side then cosA equals
asked
Mar 28, 2019
in
JEE
by
kratos
properties of triangles
trigonometry
class-11
jee
determinants
class-10
jee mains
class-12
trigonometric functions
+1
vote
1
answer
Find the length of the hypotenuse of a square whose side is 16 cm.
asked
Mar 28, 2019
in
Class 10
by
kratos
properties of triangles
class-8
cbse
class-9
class-7
class-10
triangles
constructions
geometry
+2
votes
1
answer
If rr1 = r2r3, prove that the triangle is right-angled.
asked
Mar 27, 2019
in
JEE
by
kratos
jee
jee mains
properties of triangles
+1
vote
1
answer
If the sides of triangle a, b, c be in AP, then find the value of tanA/2 + tanC/2.
asked
Mar 27, 2019
in
JEE
by
kratos
trigonometric identities
jee
jee mains
properties of triangles
+3
votes
1
answer
Distance between the orthocentre and circumcentre of the triangle ABC is
asked
Mar 24, 2019
in
JEE
by
kratos
straight line
properties of triangles
class-11
jee
jee mains
jee main
coordinate geometry
+2
votes
1
answer
Points D, E are taken on the side BC of a triangle ABC such that BD = DE = EC. If ∠BAD = x, ∠DAE = y, ∠EAC = z,
asked
Mar 24, 2019
in
JEE
by
kratos
properties of triangles
jee
class-9
triangles
jee mains
rmo
congruence and inequalities of triangles
+1
vote
1
answer
The two legs of a right triangle are equal and the square of the hypotenuse is 50. Find the length of each leg.
asked
Mar 24, 2019
by
kratos
class-7
geometry
properties of triangles
+2
votes
1
answer
In a triangle of base a, the ratio of the other two sides is r(< 1). Show that the altitude of the triangle is less than or equal to ar/1 - r^2.
asked
Mar 22, 2019
in
JEE
by
kratos
properties of triangles
jee
class-7
jee mains
triangle
To see more, click for the
full list of questions
or
popular tags
.