Geometric Formula Notes
1. A rectangular swimming pool has the measurements
shown. The perimeter of the swimming pool is 80 meters.
Find the value of x, then find the length and the width of
the rectangle. (Hint: P = 21 + 2w)
-3
2x-5
x-3
$0-
2. A drink container is shaped like a right circular
cylinder. The height of the container is 9 meters, and the
radius of the container is 11 meters. Find the exact volume
of the container in terms of n. Then find the approximate
volume of the container to the nearest integer.
3. The circumference of a circle i£247Tcentimeters. What
is the area of the circle in terms^of TIC?
C=2nr
r
Geometric Formula Notes - Part 2
Area of a triangle
Area of a trapezoid
A= - b - h
A = - h (b, + b2)
2
Area of a parallogram
h
h
Find the area of each figure.
1.
2.
8 in
3.
3 cm
7 cm
6 in
8 cm
b.
h
12 cm
K
5.
4.
4ini
b_
9 in
7 in
fi
A
14m