Kesab Chandra Nag Solutions for Exercise 1: EXERCISE-1

Author:Kesab Chandra Nag

Kesab Chandra Nag Mathematics Solutions for Exercise - Kesab Chandra Nag Solutions for Exercise 1: EXERCISE-1

Attempt the practice questions from Exercise 1: EXERCISE-1 with hints and solutions to strengthen your understanding. MATHEMATICS CLASS 9 solutions are prepared by Experienced Embibe Experts.

Questions from Kesab Chandra Nag Solutions for Exercise 1: EXERCISE-1 with Hints & Solutions

MEDIUM
9th West Bengal Board
IMPORTANT

E and F are the midpoints of AB and AC respectively of ABC. The straight line EF is extended to the point D such that EF=FD. Prove that ADCE is a parallelogram.

MEDIUM
9th West Bengal Board
IMPORTANT

The diagonals of the square ABCD intersect each other at O. Let OPAB is constructed. Prove that AOP=PBO.

MEDIUM
9th West Bengal Board
IMPORTANT

In the quadrilateral ABCD, AD=BC and BAD=ABC. Prove that the quadrilateral is an isosceles trapezium.

HARD
9th West Bengal Board
IMPORTANT

ABCD is a quadrilateral. Two parallelograms BADQ and ADCP are constructed. Prove that PQ and BC bisects each other equally.

MEDIUM
9th West Bengal Board
IMPORTANT

B and D are the midpoints of AE and GF of the parallelogram AEFG. Prove that ABGD is a parallelogram.

MEDIUM
9th West Bengal Board
IMPORTANT

The points E, F, G and H are on the sides AB, BC, CD and DA respectively of the rectangle ABCD, such that AE=BF=CG=DH. Prove that EFGH is a parallelogram.

HARD
9th West Bengal Board
IMPORTANT

Two squares ABPQ and ADRS are constructed on the sides AB and AD respectively of the parallelogram ABCD on the outside of ABCD. Prove that PRC is isosceles.

HARD
9th West Bengal Board
IMPORTANT

BAD of the parallelogram ABCD is an obtuse angle. Two equilateral triangles ABP and ADQ are constructed on the sides AB and AD on the outside of ABCD. Prove that CPQ is an equilateral triangle. 

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