Download TOPIC # 3 - 4 Formulas

TOPIC # 3 – 4: FORMULAS
The formulas for these problems can be found on the back
of the Grades 9, 10, and 11 Exit Level Mathematics Chart.
1. Find the radius of a cylinder if the lateral surface area is
72 cm and the height is 4 cm.
2. Find the area of a circle if the radius is 15 in. Use 3.14
for  .
3. Find the height of a triangle if the length of the base is
12 cm and the area is 48 cm2.
4. Find area of a trapezoid if the height is 4 cm and the
lengths of the two bases are 11 cm and 5 cm.
5. Find the surface area of a cube if the length of each side
is 7 cm.
6. Find the lateral surface area of a cylinder if the radius is
6 cm and the height is 13 cm. Leave your answer in
terms of  .