Exercise 6. You can also download the free PDF of Ex 6. Question 1. Sides of triangles are given below. Determine which of them are right triangles. In case of a right triangle, write the length of its hypotenuse. Question 2. Question 3. CD Solution:. Question 4. ABC is an isosceles triangle right angled at C. Question 5. Question 6.
ABC is an equilateral triangle Ncert Solutions For Class 7 Maths Byjus of side la. Find each of its altitudes. Question 7. Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.
Question 8. Question 9. A ladder 10 m long reaches a window 8 m above the ground. Question 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? An aeroplane leaves an airport and flies due north at a speed of km per hour. At the same time, another aeroplane leaves the same airport and flies due west at a speed of km per hour. Two poles of heights 6 m and 11m stand on a plane ground. If the distance between the feet of the poles is 12 m, find the distance between their tops.
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. CD Solution: Question 4. Solution: Question 5. Solution: Question 6. Solution: Question 7. Solution: Question 8. Solution: Question 9. Solution: Question RD Sharma Class 12 Solutions.
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