# Posts by sthabiso

Total # Posts: 4

**history**

I think internal and external path that revolutionised world history

*February 8, 2015*

**geometry**

Suppose ABCD is a trapezium in which AB is parallel to CD and AD=BC.prove that angle A=angle B and angle C=angle D.

*January 10, 2014*

**Copperbelt international college**

A chord PQ of length 5.6cm divides a circle of radius 3.5cm into two segments.calculate the difference in areas between major and minor segment in the circle of chord PQ.

*February 15, 2013*

**physical science**

A substance whose 0xidation number decreases during a chemical reaction

*October 28, 2012*

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