In the given figure, TP and TQ are tangent. If ∠ PAQ=50° then find the value of ∠ PTQ.

The perimeter of a rectangle and equilateral triangle is equal. One side of the rectangle is also equal to the side of the triangle. Find the ratio of the areas of the rectangle and triangle?

Find the distance travelled by a 40 cm diameter wheel to cover a distance of 176 meters? Using (π=22/7)

If x+ y=90°, then what is  the value of $$ {\sqrt{cosx.cosecy-cosx.siny}}$$?

If tan A=n tan B and Sin A= m Sin B, then the value of Cos²A is

The value of sin²22° + Sin²68°+ Cot² 30° is:

In the given figure BC=15 cm and Sin B=4/5.  then find out the value of AB?

If (a-b)=-3 , (b-c)=5 and (c-a)=-2, then the value of $$ {a^{3}+b^{3}+c^{3}-3abc\over a+b+c}$$.