In a triangle $$ABC$$, if cot $$A$$, cot $$B$$, cot $$C$$ are in A.P., then $${a^2},{b^2},{c^2}$$, are in ............... progression.
Answer
Arithmetic
2
IIT-JEE 1985
Fill in the Blanks
The set of all real numbers $$a$$ such that $${a^2} + 2a,2a + 3$$ and $${a^2} + 3a + 8$$ are the sides of a triangle is ...........
Answer
$$\left( {5,x} \right)$$
3
IIT-JEE 1980
Fill in the Blanks
In a $$\Delta ABC,\,\angle A = {90^ \circ }$$ and $$AD$$ is an altitude. Complete the relation $${{BD} \over {BA}} = {{AB} \over {\left( {....} \right)}}$$.
Answer
$$B$$ $$C$$
4
IIT-JEE 1980
Fill in the Blanks
$$ABC$$ is a triangle, $$P$$ is a point on $$AB$$, and $$Q$$ is point on $$AC$$ such that $$\angle AQP = \angle ABC$$. Complete the relation
$$${{area\,\,of\,\,\Delta APQ} \over {area\,\,of\,\,\Delta ABC}} = {{\left( {...} \right)} \over {A{C^2}}}$$$
Answer
$$A{P^2}$$
Questions Asked from Properties of Triangle
On those following papers in Fill in the Blanks
Number in Brackets after Paper Indicates No. of Questions
