3. Find the radius of this circle. 5 4 3- -2 -8 -7 -6 -5 -4 -3 -2 -1 0 O 2/2 O 3v2 O 6V5 O v?

13. Find the diameter of this circle. 7 6 5 4 3 2 0 O √10 02 04 O 2√5 O 2 1 -02- 3 4 5 6 -0) M

10. How do you identify the hypotenuse, opposite and adjacent of a right triangle?

... Parks will be built adjacent to two circular retention ponds. Each pond has 5 miles in radius. Each park will be covered with grass in the area depicted in light green in the figure below. What is the area of one of the parks? If all sides of each park need to be fenced (e.g. one straight side and the two circular sides bordering each park), what is the length of the fence needed? Describe how you came to your answers. 5. The area of the park: The length of the fence: Edit View Insert Format Tools Table 12pt v Paragraph v MacBook Air 000 000 DD F3 F4 F5 F8 %23

6. x - 2 cm 2x + 1 cm x + 5 cm Shown above is a right angled triangle. (a) Show that x²-x-14 = 0

AB is tangert to circle Cand AC is a radies of cirde C Findx 12 16

The playground at the local park is in the shape of a pentagon. What is the perimeter of the playground if the 1 unit is 4 yards?

In the given figure, X and Y are centres of two intersecting equal circles. If XY = AB, prove that AXBY is a square. 16. X- Y 230 Mathematics - 9

3. Find the perimeter of the Pentagon with coordinates A(0,6), B(4,7), C(9,2), D(2,1), and E(1,2) in simplest radical formn and state what the perimeter would be to the nearest tenth of a unit. 10 8 16 4 3 D 0. 1 3 4 5 6 789 10