Complete IXL Practice P. 17-23 (1 minute each), P. 31-33 (7B 1 minute each, 7A
3 minutes each)
Unit 8 Test Study Guide
Name: ________________________
(Perimeter and Area of Polygons and Circles)
Date: _______________ 7A 7B
Topic 1: Perimeter
Assume all measurements are in inches.
1.
2.
3.
Topic 2: Area of Rectangles, Parallelograms, Triangles, and Trapezoids
Area =
Area =
Area =
Area =
es
ea
If not stated, assume measurements are in centimeters.
1.
2.
3.
4.
se
d
6.
7.
8.
5.
Topic 3: Circles
Circumference (Perimeter) =
Area =
FORMULAS:
1. The radius of a circle is 3 meters. What is its
2. The diameter of a circle is 4 inches. What is
area and circumference? Write in terms of pi
its area and circumference? What in terms of
and using 3.14.
pi and using 3.14.
3. The circumference of a circle is 31.4 meters.
What is its diameter?
4. The area of a circle is 50.24 cm2. What is its
diameter?
5. A hula hoop has a diameter of 3 meters. What
is its circumference?
6. How many square inches greater is a 30 inch
mirror than an 18 inch mirror?
Semicircles and Quarter Circles
1. The perimeter of a semicircle is 25.7 inches.
What is the diameter?
2. The perimeter of a semicircle is 5.14 mm.
What is the semicircle’s radius?
3. The perimeter of a quarter circle is 14.28
cm. What is the quarter circle’s radius?
4. The radius of a quarter circle is 3 km. What
is the quarter circle’s perimeter?
Topic 4:
Find the perimeter and area of the figures below.
1.
Compound Figures
2.
3.
4.
Topic 5:
Area Between Figures
Find the area of the shaded region.
1.
2.
Topic 6:
Changes in Perimeter and Area
1. If these dimensions are doubled, how much
2. If the side lengths are tripled, how much
greater will the perimeter and area be?
greater will the perimeter and area be?
3. If the height is tripled, how much greater will the area be?