Home
Class 9
MATHS
Now draw a triangle ABC and measure its ...

Now draw a triangle ABC and measure its sides. Find the sum of the sides AB + BC, BC + AC and AC + AB, compare it with the length of the third side. What do you observe?
You will observe that AB + BC > AC, BC + AC > AB and AC + AB > BC.

Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    NCERT GUJARATI|Exercise EXERCISE - 7.1|11 Videos
  • TRIANGLES

    NCERT GUJARATI|Exercise EXERCISE - 7.2|5 Videos
  • TRIANGLES

    NCERT GUJARATI|Exercise EXERCISE - 7.4|7 Videos
  • THE ELEMENTS OF GEOMETRY

    NCERT GUJARATI|Exercise BRAIN TEASER|2 Videos

Similar Questions

Explore conceptually related problems

The side BC of an equilateral triangle DABC is parallel to X-axis. Find the slopes of the lines along sides BC, CA and AB.

In a triangle ABC, the internal angle bisector of /_ABC meets AC at K. If BC = 2, CK = 1 and BK =(3sqrt2)/2 , then find the length of side AB.

In Delta ABC , right angle is at B,AB = 5cm and angle ACB =30^(@) Determine the lengths of the sides BC and AC.

In the DeltaABC,AB=a,AC=c and BC=b , then

In triangle ABC, AB gt AC and D is any point of BC. Prove that, AB gt AD.

In the given figure, if AB = 12cm. BC = 8cm and AC = 10 cm, then AD = ………cm

In DeltaABC , E and F are the midpoints of sides AB and AC respectively. If EF=5cm, find BC.

If in a triangle AB=a,AC=b and D,E are the mid-points of AB and AC respectively, then DE is equal to

In DeltaABC , D and E are points of sides AB and AC such that DE||BC . If AD= x, DB= 2x-1, AE= x+3 and EC= 2x, then find the value of x.

In Delta ABC , M and N are the midpoints of AB and AC respectively. If AB = 8 cm, AC = 7 cm and MN = 4.5 cm, find the perimeter of Delta ABC .