Tiwari Academy Discussion

Ayaan Khan

Asked: December 24, 2020In: Class 10 Maths

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

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.5 Page No:151 Questions No:15

Anant

Asked: December 24, 2020In: Class 10 Maths

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.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.5 Page No:150 Questions No:9

Akanksh Singh

Asked: December 23, 2020In: Class 10 Maths

Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding medians.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.4 Page No:144 Questions No:6

Ayaan Khan

Asked: December 23, 2020In: Class 10 Maths

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.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.5 Page No:151 Questions No:15

Anant

Asked: December 14, 2020In: Class 10 Maths

ABC is an isosceles triangle with AC = BC. If AB² = 2AC² , prove that ABC is a right triangle.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.5 Page No:150 Questions No:5

Anant

Asked: December 13, 2020In: Class 10 Maths

Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.5 Page No:150 Questions No:7

Akanksh Singh

Asked: December 6, 2020In: Class 10 Maths

Prove that the area of an equilateral triangle described on one side of a square is equal to half the area of the equilateral triangle described on one of its diagonals.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.4 Page No:144 Questions No:7

Poll

Akanksh Singh

Asked: December 5, 2020In: Class 10 Maths

Sides of two similar triangles are in the ratio 4 : 9. Areas of these triangles are in the ratio.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.4 Page No:144 Questions No:9

Aadiv Singh

Asked: November 28, 2020In: Class 10 Maths

E is a point on the side AD produced of a parallelogram ABCD and BE intersects CD at F. Show that Triangles ABE ~ Triangles CFB.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.3 Page No:140 Questions No:8

Aadiv Singh

Asked: November 23, 2020In: Class 10 Maths

ABCD is a trapezium in which AB || DC and its diagonals intersect each other at the point O. Show that AO/BO=CO/DO.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.2 Page No:129 Questions No:9

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

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.

Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding medians.

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.

ABC is an isosceles triangle with AC = BC. If AB² = 2AC² , prove that ABC is a right triangle.

Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.

Prove that the area of an equilateral triangle described on one side of a square is equal to half the area of the equilateral triangle described on one of its diagonals.

Sides of two similar triangles are in the ratio 4 : 9. Areas of these triangles are in the ratio.

E is a point on the side AD produced of a parallelogram ABCD and BE intersects CD at F. Show that Triangles ABE ~ Triangles CFB.

ABCD is a trapezium in which AB || DC and its diagonals intersect each other at the point O. Show that AO/BO=CO/DO.

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