Mathematics – Different Types of Angles by justhomeworks on February 24, 2016 share Quadrilateral-A quadrilateral is a four-sided polygon with four angles. Parallelogram-A parallelogram is a quadrilateral with opposite sides parallel (and therefore read more

What is Prime Number? by justhomeworks on August 5, 2013 share A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. read more