BBC5 个月
What are the types of triangle?
Oh! Very clever! Now we have an equilateral triangle. Three sides of equal length andall the angles are 60 degrees. This is a scalene triangle. All the sides are different lengths and each angle ...
BBC4 年
What are the types of triangle?
Oh! Very clever! Now we have an equilateral triangle. Three sides of equal length andall the angles are 60 degrees. This is a scalene triangle. All the sides are different lengths and each angle ...