1. Which of the following could be a value of x, in the diagram above?
Indicate ALL such values.
4. A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?
6. A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo increased?
7. ABCD is a square of side 3, and E and F are the mid points of sides AB and BC respectively. What is the area of the quadrilateral EBFD ?