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Recent questions tagged triangles and its angles
+2
votes
1
answer
The bisectors of base angles of a triangle cannot enclose a right angle in any case.
asked
Apr 3, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
triangles
+1
vote
1
answer
If the angles A, B and C of △ABC satisfy the relation B – A = C – B, then find the measure of ∠B.
asked
Mar 28, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
+3
votes
1
answer
In a ∆ABC, ∠ABC = ∠ACB and the bisectors of ∠ABC and ∠ACB intersect at O such that ∠BOC = 120°. Show that ∠A = ∠B = ∠C = 60°
asked
Mar 9, 2019
in
Class 9
by
kratos
triangles and its angles
properties of triangles
class-9
class-7
triangles
+1
vote
1
answer
Can a triangle have: (i) Two right angles? (ii) Two obtuse angles?
asked
Mar 8, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
+2
votes
1
answer
Compute the value of x in the figure:
asked
Feb 27, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
+3
votes
1
answer
In ∆ABC, ∠A = 60°, ∠B = 80°, and the bisectors of ∠B and ∠C, meet at O. Find (i) ∠C (ii) ∠BOC
asked
Feb 12, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
triangles
rectilinear figures
+2
votes
1
answer
ABC is a triangle in which ∠A — 72°, the internal bisectors of angles B and C meet in O. Find the magnitude of ∠ROC.
asked
Jan 21, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
triangles
+3
votes
1
answer
Compute the value of x in the figure:
asked
Jan 4, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
+2
votes
1
answer
If one angle of a triangle is equal to the sum of the other two, show that the triangle is a right triangle.
asked
Jan 1, 2019
in
Class 9
by
kratos
class-9
triangles and its angles
+3
votes
1
answer
In a ΔABC, if ∠A = 55°, ∠B = 40°, find ∠C.
asked
Dec 12, 2018
in
Class 9
by
kratos
class-7
class-9
triangles and its angles
triangles
+2
votes
1
answer
The exterior angles obtained on producing the base of a triangle both ways are 104° and 136°. Find the angles of the triangle.
asked
Dec 8, 2018
in
Class 9
by
kratos
triangles and its angles
properties of triangles
class-9
class-7
triangles
+3
votes
1
answer
In a ∆ABC, if ∠A = 55°, ∠B = 40°, find ∠C.
asked
Dec 8, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
triangles
+3
votes
1
answer
Two angles of a triangle are equal and the third angle is greater than each of those angles by 30°.
asked
Nov 7, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
+1
vote
1
answer
If the angles of a triangle are in the ratio 1: 2 : 3, determine three angles.
asked
Oct 31, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
+2
votes
1
answer
In figure, AB divides ∠DAC in the ratio 1 : 3 and AB = DB. Determine the value of x.
asked
Sep 27, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
triangles
+1
vote
1
answer
In a ∆ABC,a/b = 2 + √3 and ∠C = 60°. The ordered pair (∠A , ∠B) is equal to
asked
Jul 27, 2018
in
Class 11
by
kratos
similarity
triangles and its angles
properties of triangles
class-11
class-9
class-10
class-7
sine and cosine formulae
+3
votes
1
answer
Define a triangle.
asked
Jul 25, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
+1
vote
1
answer
Write the sum of the angles of an obtuse triangle.
asked
Jul 20, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
+1
vote
1
answer
If the angles of a triangle are in the ratio 2:1:3, then find the measure of smallest angle.
asked
Jul 18, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
+2
votes
1
answer
If the angles of a triangle are in the ratio 1 : 2 : 3, determine three angles.
asked
Jul 9, 2018
in
Class 9
by
kratos
class-9
triangles and its angles
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