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Priya123
@priya123
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Joined: May 7, 2021
Last seen: Jul 27, 2023
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Topics: 2064 / Replies: 139
AllTopicsReplies
Topic
Due to what feature is ocean water unfit for human consumption?
4 years ago
Forum
Land, Soil, Water, Natural Vegetation and Wildlife Resources
Replies: 1
Views: 1044
Topic
Which of these countries is mainly covered with forest land?
4 years ago
Forum
Land, Soil, Water, Natural Vegetation and Wildlife Resources
Replies: 0
Views: 663
Topic
What is the majority of land in India used for?
4 years ago
Forum
Land, Soil, Water, Natural Vegetation and Wildlife Resources
Replies: 0
Views: 426
Topic
Which of these is example of community land? (a) the Sunderban forests
4 years ago
Forum
Land, Soil, Water, Natural Vegetation and Wildlife Resources
Replies: 0
Views: 232
Topic
Find the distance between the points (0, 0) and (36, 15). Can you now find the distance between the two towns A and B discussed in Section 7.2.
4 years ago
Forum
Coordinate Geometry
Replies: 0
Views: 104
Topic
Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, – b)
4 years ago
Forum
Coordinate Geometry
Replies: 0
Views: 117
Topic
Nazima is fly fishing in a stream. The tip of her fishing rod is 1.8 m above the surface of the water and the fly at the end of the string rests on the water 3.6 m away and 2.4 m from a point directly under the tip of the rod.
4 years ago
Forum
Triangles
Replies: 0
Views: 511
Topic
In Figure, D is a point on side BC of ∆ ABC such that BD/CD = AB/AC. Prove that AD is the bisector of ∠BAC.
4 years ago
Forum
Triangles
Replies: 0
Views: 270
Topic
In Figure, two chords AB and CD of a circle intersect each other at the point P (when produced) outside the circle. Prove that: (i) ∆ PAC ~ ∆ PDB (ii) PA.PB = PC.PD.
4 years ago
Forum
Triangles
Replies: 0
Views: 270
Topic
In Figure, two chords AB and CD intersect each other at the point P. Prove that : (i) ∆APC ~ ∆ DPB (ii) AP.PB = CP.DP
4 years ago
Forum
Triangles
Replies: 0
Views: 234
Topic
Prove that the sum of the squares of the diagonals of parallelogram is equal to the sum of the squares of its sides.
4 years ago
Forum
Triangles
Replies: 0
Views: 500
Topic
In Figure, AD is a median of a triangle ABC and AM ⊥ BC. Prove that : (i) AC^2 = AD^2 + BC.DM + 2 (BC/2)^2
4 years ago
Forum
Triangles
Replies: 0
Views: 214
Topic
In Figure, ABC is a triangle in which ∠ABC < 90° and AD ⊥ BC. Prove that AC^2= AB^2+ BC^2 – 2 BC.BD.
4 years ago
Forum
Triangles
Replies: 0
Views: 239
Topic
In Figure, ABC is a triangle in which ∠ABC > 90° and AD ⊥ CB produced. Prove that AC^2= AB^2+ BC^2+ 2BC.BD.
4 years ago
Forum
Triangles
Replies: 0
Views: 207
Topic
In Figure, D is a point on hypotenuse AC of ∆ABC, such that BD ⊥AC, DM ⊥ BC and DN ⊥ AB. Prove that: (i) DM2 = DN . MC
4 years ago
Forum
Triangles
Replies: 0
Views: 220
Topic
In Figure, PS is the bisector of ∠ QPR of ∆ PQR. Prove that QS/PQ = SR/PR
4 years ago
Forum
Triangles
Replies: 0
Views: 184
Topic
Tick the correct answer and justify: In ΔABC, AB = 6√3 cm, AC = 12 cm and BC = 6 cm. The angle B is:
4 years ago
Forum
Triangles
Replies: 0
Views: 248
Topic
In an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.
4 years ago
Forum
Triangles
Replies: 0
Views: 150
Topic
In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3BC. Prove that 9AD^2 = 7AB^2.
4 years ago
Forum
Triangles
Replies: 0
Views: 115
Topic
The perpendicular from A on side BC of a Δ ABC intersects BC at D such that DB = 3CD
4 years ago
Forum
Triangles
Replies: 0
Views: 220
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