Area And Perimeter
Bayani Gaba-gaba
Perimeter is the distance all the way around the edge of a shape, and area is the amount of flat space it covers. Together they answer everyday questions: how much fencing a field needs, how much paint covers a wall, how much carpet fits a room. Once you know a handful of formulas, the four most common straight-sided shapes become quick and reliable.
In this lesson you will calculate the perimeter and area of rectangles, triangles, parallelograms and trapeziums. The formulas are short, but each one hides a subtlety about which length to use. The single most important idea is that area always uses the perpendicular height, never a slanted side, and this lesson makes that habit stick.
Manufura
- Carry out calculations involving the perimeter and area of a rectangle, triangle, parallelogram and trapezium.
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Nazarin Darasi
Barka da kammala darasi akan Area And Perimeter. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- A rectangle is 12 cm long and 5 cm wide. What is its area? A. 17 cm^2 B. 34 cm^2 C. 60 cm^2 D. 120 cm^2 Answer: C
- A rectangle is 12 cm long and 5 cm wide. What is its perimeter? A. 17 cm B. 34 cm C. 60 cm D. 120 cm Answer: B
- A triangle has base 8 cm and perpendicular height 5 cm. What is its area? A. 13 cm^2 B. 20 cm^2 C. 40 cm^2 D. 80 cm^2 Answer: B
- A parallelogram has base 7 cm and perpendicular height 4 cm. What is its area? A. 11 cm^2 B. 14 cm^2 C. 22 cm^2 D. 28 cm^2 Answer: D
- A trapezium has parallel sides 6 cm and 10 cm and height 4 cm. What is its area? A. 20 cm^2 B. 32 cm^2 C. 40 cm^2 D. 64 cm^2 Answer: B
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
Use Properties of Rectangles, Triangles, and Trapezoids
Understand linear, square, and cubic measure
"Prealgebra: Use Properties of Rectangles, Triangles, and Trapezoids" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/9-4-use-properties-of-rectangles-triangles-and-trapezoids. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
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