Save guides, add subjects and pick up where you left off with your BBC account. Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to ...

Learn how to measure and calculate these, along with the area and diameter of a circle. Circle theorems - Higher - Edexcel Circles have different angle properties described by different circle ...

with the area of the outer circle precisely four times that of the inner circle. Theorem II: For an equilateral triangle, the ratio of the areas of the circumscribed (outer) and inscribed (inner ...