Which countries were involved in the falklands war

In the given figure, O is centre of the circle. Circle has 3 tangents. If ∠ QPR = 45 ⁰ , then what is the value (in degrees) of ∠ QOR ?

What will be inradius of an equilateral triangle of side 2 cm?

An angle is equal to 3/7 of its supplement. The angle is :

Find the area of triangle having sides 28 m, 45 m, and 53 m.

in the given figure, ABCD is a square whose side is 4 cm. P is a point on the side AD. What is the minimum value (in cm) of BP + CP ?

What will be circumradius of an equilateral triangle of side 11 cm?

In a trapezium, the lengths of the parallel sides are 20 cm and 30 cm, and the height is 12 cm. Find the area of the trapezium.