Triangles Test ...

State the property by which$${\triangle }$$ADB   $${\cong }$$  $${\triangle }$$ADC in the following figure.

The side opposite to an obtuse angle of a triangle is

If a, b and c are the sides of a $$\Delta$$ le then

Sum of the lengths of any two sides of a triangle is always ____ than the length of the third side.

Two sides of a triangle are $$7$$ and $$10$$ units. Which of the following length can be the length of the third side?

$$\Delta$$ABC is congruent of $$\Delta$$DEF, if

In the figure, AB and CD are two walls of equal height. A ladder BO is shifted to reach the other wall at D. Then, the triangles are congruent by the postulate

Can $$6$$ cm, $$5$$ cm and $$3$$ cm form a triangle?

Can the three sides of length $$6 cm, 5 cm,$$ and $$3 cm$$ form a triangle?

In the figure, $$\displaystyle AB=CD$$ and $$\displaystyle \angle A={ 90 }^{ o }=\angle D$$. Then