Current Events

 Explosions Hit Beirut

A huge explosion has hit central Beirut.

The explosion, in the Lebanese capital, was centered at the port. At this stage 135 casualties have been confirmed, with over 5000 people injured.

The blast was felt throughout the country, even over 100km away.

Lebanese Prime Minister Hassan Diab said an estimated 2750 tons of ammonium nitrate had been stored at a warehouse for six years. This was the cause of the explosion

Ammonium nitrates is an ingredient in fertiliser – and some bombs.

It was the most powerful explosion in years to hit Beirut, which is already reeling from an economic crisis and a surge in coronavirus infections.

Geometry - Angles of Polygons

 What is a Polygon?

A Polygon is a closed plane figure made up of three or more line segments that intersect only at their end points.

A polygon is Convex if every line segment connecting any two vertices lies entirely inside the polygon. A polygon is Concave if atleast one line segment connecting any two vertices lies outside the polygon.

A equilateral triangle can be called a regular polygon or regular triangle. A regular polygon is when all sides are are equal and the angles are congruent.