The area of the red rectangle is A=bh=4×14=56 We have to do a little more work to find the area of the green rectangle. Try the free Mathway calculator and Apply the Pythagorean theorem to find the measure of the missing side and then find the area of a rectangle in part A and to find the length of the diagonal using the area and side length in part B. The topics enclosed in this section feature ready-to-print charts, finding length or width of the rectangle, finding diagonal and much more. We are learning about: Circle theorems: Part 4 We are learning to: Calculate the missing angles in a circle using circle theorems. Q Worksheet by Kuta Software LLC Kuta Software - Infinite Geometry Name_____ Properties of … Differentiated objectives: Developing learners will be able to apply circle theorems to find missing angles. 90° = <46° +