ZACH: Oh yes, it must be an isosceles triangle because it has two equal sides.That other side is also 6 metres then, and we know the perimeter is 14.How do we get that missing side?

Find out about regular 2D shapes and irregular polygons. Types of triangle Find out about scalene, equilateral, isosceles and right-angled triangles. Parts of a circle Discover the features of a ...