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Trapezoids
Triangles & Parallelograms
Circles
Shaded Regions
Vocabulary
100
What is the formula for the area of a trapezoid?
A=h[(b1+b2)/2]
100
Calculate the area of a triangle with a base of 10 cm and a height of 7.5 cm.
37.5 cm squared
100
If the diameter of a circle is 8.4 ft., what is the radius?
≈ 4.2 ft.
100
Calculate the area of the shaded region. http://4.bp.blogspot.com/_bMI-KJUhzj4/SeDFUZnABMI/AAAAAAAAB_8/kguXm3k8RvQ/s320/graph+area2.jpg
8 units squared
100
This is the shape of a quadrilateral with one set of parallel lines.
Trapezoid
200
If a trapezoid has one base that is 9 cm and a second base that is 11 cm, and the height is 5cm, what is the area?
50 cm squared
200
Calculate the area of the triangle on this link (Showing your work using W.S.E.): http://3.bp.blogspot.com/_IY9K4XkqVyU/SUs-QJ-lwGI/AAAAAAAAA98/3Ep2nI_Gp5k/s400/triangle1.jpg
10 cm squared
200
Calculate the circumference of this circle. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://image.wistatutor.com/content/feed/u312/area3_edited.jpeg
≈ 18.8 meters
200
Calculate the shaded region. http://chatt.hdsb.ca/~johnstonja/S0FA632C3.41/9132010_103258_1.gif?src=.gif?src=.PNG
30 units squared
200
This is the distance across the midpoint of a circle.
Diameter.
300
Calculate the area of the trapezoid on this link(Showing your work using W.S.E.): http://3.bp.blogspot.com/_IY9K4XkqVyU/SUs-QE75GTI/AAAAAAAAA-E/HooB9xGPVkI/s400/trapezoid.jpg
18 meters squared
300
Calculate the area of the parallelogram on this link (Showing your work using W.S.E.): http://3.bp.blogspot.com/_IY9K4XkqVyU/SUs-P2mOVzI/AAAAAAAAA90/pHPLMHYRzJo/s400/parallelogram.jpg
150 meters squared
300
Calculate the area of this circle. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://image.wistatutor.com/content/feed/u312/area3_edited.jpeg
≈ 28.3 meters squared
300
Calculate the area of the shaded region. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://www.mathkinz.com/Geometry/area_3_circle.jpg
≈ 235.5 units squared
300
This is the distance on a circle from the center to any point on the circle.
radius
400
Calculate the area of the trapezoid on this link(Showing your work using W.S.E.): http://online.missouri.edu/exec/data/courses2/8242/lesson01/lesson_clip_image039.gif
88 inches squared
400
What is the base of a triangle is a height of 16 yds and an area of 72 yards squared? Show your work algebraically.
9 yds
400
Calculate the circumference of this circle. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://www.mathscore.com/math/skills/images/circleAreaExample.gif
≈ 9.4 yds
400
Calculate the area of the shaded region. http://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A9aef2a9f8a4f6b6c88eb29b4e7640582c7acbaf235f47ce6eb3b6333%2BIMAGE%2BIMAGE.1
108 units squared
400
Complete this equation: radius x ___ = diameter
TWO
500
Calculate the area of the trapezoid on this link (Showing your work using W.S.E.): http://www.wyzant.com/Images/Help/trap4.gif
126 meters squared
500
Calculate the base of a parallelogram with a height of 1.2 inches and an area of 22.8 inches squared? Show your work algebraically.
19 inches
500
Calculate the area of this circle. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://www.mathscore.com/math/skills/images/circleAreaExample.gif
≈ 7.1 yds. squared
500
Calculate the area of the shaded region. Use 3.14 for ∏. Round your answer to the nearest tenth, if necessary. http://phgeometryfinalexamreview.wikispaces.com/file/view/hope.jpg/146058489/hope.jpg
≈ 28.5 in. squared
500
What type of angle does the base of a triangle and the height of a triangle make?
Perpendicular angle (90 degrees)