## Tick the correct answer and justify: In ΔABC, AB = 6√3 cm, AC = 12 cm and BC = 6 cm. The angle B is: (A) 120° (B) 60° (C) 90° (D) 45° Q.17

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What is the best solution for the question of Chapter of Triangles of exercise 6.5 of ncert 10th math, of ...Read more

## 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. Q.16

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What is the best way to solve the problem of ncert question of exercise 6.5 of triangles chapter for class ...Read more

## In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3BC. Prove that 9AD2 = 7AB2. Q.15

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Give the best and easy way to solve the problem of class 10th ncert of triangles chapter of exercise 6.5 ...Read more

## The perpendicular from A on side BC of a Δ ABC intersects BC at D such that DB = 3CD (see Figure). Prove that 2AB2 = 2AC2 + BC2. Q.14

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For class 10th Triangles chapter how i solve the problem from exercise 6.5 of question no.14, give me the best ...Read more

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## Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between the feet of the poles is 12 m, find the distance between their tops. Q.12

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How i solve this important question of triangles chapter of class 10th math of exercise6.5 of question no 12 because ...Read more

## An aeroplane leaves an airport and flies due north at a speed of 1,000 km per hour. At the same time, another aeroplane leaves the same airport and flies due west at a speed of 1,200 km per hour. How far apart will be the two planes after 1 whole 1/2 hours? Q.11

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I don’t know how to solve this problem form class 10th ncert book of triangles of exercise 6.5 of question ...Read more

## A guy wire attached to a vertical pole of height 18 m is 24 m long and has a stake attached to the other end. How far from the base of the pole should the stake be driven so that the wire will be taut? Q.10

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The best way to solve the problem of class 10th ncert book of triangles chapter of exercise 6.5 of question ...Read more

## 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. Q.9

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What is the best way to solve the question from triangles of class 10th chapter of exercise 6.5 of ncert ...Read more