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Recent questions tagged pythagoras theorem
+2
votes
1
answer
D and,E are points on the sides CA and CB respectively of a triangle ABC right angled at C. prove that AE^2 + BD^2 = AB^2 +DE^2 .
asked
Apr 4, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+1
vote
1
answer
In a right triangle ABC, right angled at C. P and Q are points of the sides CA and. CB respectively, which divide these sides in the ratio 2 : 1.
asked
Apr 2, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
class-8
ncert class 10 maths
class-10
triangles
+3
votes
1
answer
The sum of any sides and hypotenuse is constant. Show that its area will be maximum when the angle between the side and hypotenuse will be 60 degree.
asked
Apr 1, 2019
in
Class 12
by
kratos
similarity
isc
pythagoras theorem
cbse
class-9
class-10
icse
constructions
class-12
+2
votes
1
answer
In a given square, a diagonal is drawn and parallel line segments joining points on the adjacent sides are drawn on both sides of the diagonals.
asked
Mar 29, 2019
in
Class 11
by
kratos
pythagoras theorem
vector algebra
class-11
class-9
class-10
triangles
areas of parallelograms and triangles
+3
votes
1
answer
In a triangle ▲ ABC, ∠C = 3 ∠B = 2 ( ∠ A + ∠ B). Find the three angles.
asked
Mar 28, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
rmo
+3
votes
1
answer
If sinx + cos x = then tan 2x is - (A) 25/17 (B) 7/25 (C) 25/7 (D) 24/7
asked
Mar 26, 2019
in
Class 12
by
kratos
pythagoras theorem
trigonometry
class-8
class-11
class-10
class-7
class-12
complex numbers
rational numbers
data handling
+1
vote
1
answer
ΔABD is a right triangle right angled at A and AC ⊥ BD. Show that: (i) AB^2 = CB x BD
asked
Mar 16, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+3
votes
1
answer
In the given figure ABCD is a trapezium in which AB = 40 m, BC = 15 m, CD = 28 m, AD = 9 m and CE ⊥ AB. Area of trapezium ABCD is
asked
Mar 4, 2019
in
Class 10
by
kratos
pythagoras theorem
area
class-8
perimeter and area
class-10
class-7
+3
votes
1
answer
∆ ABC is an equilateral triangle. P is the point on side BC such that PC = 1 / 3 BC. If AB = 6 cm, then find AP.
asked
Feb 20, 2019
in
Class 10
by
kratos
pythagoras theorem
circle
circles
class-10
rmo
+2
votes
1
answer
Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.
asked
Feb 19, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+3
votes
1
answer
A ladder 10 m long reaches a window 8 m above the ground. Find the distance of the foot of the ladder from base of the wall.
asked
Feb 8, 2019
in
Mathematics
by
kratos
ncert class 10 maths
pythagoras theorem
triangles
class-10
cbse
+1
vote
1
answer
A ladder 10m long reaches the window of a house 8m above the ground. Find the distance of the foot of the ladder from the base of the wall.
asked
Feb 7, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+3
votes
1
answer
In the given figure, BL and CM are medians of ΔABC, right angled at A. Prove that 4(BL^2 + CM^2) = 5 BC^2
asked
Feb 7, 2019
in
Class 10
by
kratos
pythagoras theorem
triangles
class-10
cbse
geometry
+3
votes
1
answer
ABC is an Isosceles triangle right angled at C. Prove that AB^2 = 2AC^2
asked
Feb 7, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+2
votes
1
answer
In a right triangle ABC right angled at C, P and Q are the points on the sides CA and CB respectively
asked
Feb 5, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
class-8
ncert class 10 maths
class-10
triangles
+3
votes
1
answer
A guy wire attached to a vertical pole of height 18 m is 24m long and has a stake attached to the other end. How far from the base of the pole
asked
Jan 24, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+2
votes
1
answer
Two vertical poles of height 9m and 14m stand on a plane ground. If the distance between their feet is 12m, find the distance between their tops.
asked
Jan 14, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+2
votes
1
answer
Sides of triangle are given below. Determine which of them are right triangles. In case of a right triangle, write the length of its hypotenuse.
asked
Jan 9, 2019
in
Mathematics
by
kratos
pythagoras theorem
cbse
ncert class 10 maths
ncert
class-10
class-7
triangles
+2
votes
1
answer
Give two different examples of pair of (i) similar figures. (ii) non-similar figures.
asked
Jan 7, 2019
in
Mathematics
by
kratos
areas of similar triangles
pythagoras theorem
cbse
ncert class 10 maths
class-10
triangles
+2
votes
1
answer
In an isosceles ∆ABC, if AC = BC and AB2 = 2AC2 , then ∠C = ? (a) 30^0 (b) 45^0 (c) 60^0 (d) 90^0
asked
Jan 4, 2019
in
Class 10
by
kratos
pythagoras theorem
class-9
class-10
triangles
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