Surface area Surface area is the measure of how much exposed area a solid object has‚ expressed in square units. Mathematical description of the surface area is considerably more involved than the definition of arc length of a curve. For polyhedra (objects with flat polygonal faces) the surface area is the sum of the areas of its faces. Smooth surfaces‚ such as a sphere‚ are assigned surface area using their representation as parametric surfaces. This definition of the surface area is based on methods
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The State and the State of the Environment in the Philippines The clamor for environmental preservation became stronger when the issues of global warming and environmental degradation took centerstage. All around the world‚ states have been doing their best to pass legislations that would protect the environment for the use of the future generation. Hence‚ the concept of sustainable development has also developed in response to the global issue—something that the past development planners did not
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Surface area and Lateral surface area of Polyhedrons LSA or Lateral Surface Area refers to the sum of the areas of all the faces of a three-dimensional figure‚ excluding its bases. SA or Surface Area- refers to the sum of the areas of all the faces of a three-dimensional figure. It also referred to as the Total Surface Area (TSA). ~~~~~~~~~~~~~~~~~~~ For Rectangular Prism LSA= P(h) *where P=perimeter of the base ; h= measurement of the height SA= 2B+ LSA *where B= area of the
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were already hotels and resorts in the area. Palaui Island is a protected area that was declared in Aug. 16‚ 1994 by virtue of Proc. No. 447 under the category of protected landscape and seascape. In Feb. 14‚ 1995 it became part of the Cagayan Special Economic Zone and Freeport. It has a total land area of about 3‚000 ha. And about 2‚000 ha water area. The forest resource of the island is considered unique since five forest types can be found in the area namely: beach forest‚ molave forest‚ mangrove
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native to the province. He said that major fish species abound in the province from Dilasag to Dingalan such as blue marlin‚ lobster‚ octopus‚ tuna and even reef fishes. In addition‚ the province has five marine protected areas in Dibut MPA‚ Dibutunan MPA‚ Diguisit-Puntin Marine Protected Area and the Ditangol and Mapalad-Dibaray bay Fish Sanctuaries.
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Area of some rectilinear figures Area of a Triangle : 1/2 x Base x Heights Area of Equilateral Triangle : Sqrt(3)/4 x (Side)2 Area of a Triangle - Hero’s formula : Sqrt{s (s - a) (s - b) (s - c)} where 2s = a + b + c. Area of Rectangle = Length x Breadth Area of a Square = (Side)2 Area of Four Walls = 2 x height (Length + breadth) Area of Rhombus = 1/2 x (Products of Diagonals) Area of Trapezium = 1/2 x (Sum of Parallel Sides) x (Distance between Parallel lines) Area of Parallelogram
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Performance Task in GEOMETRY * Computation of the surface area‚ amount and type of needed material and the volume of the package. Volume V= L x H x W = (23 cm) (4 cm) (12cm) = (276) (4) = 1 104 cm Area A= L x W = (23cm) (12cm) = 276cm Surface Area A= 2(Lh) + 2(Lw) + 2(Wh) / 2( lh + lw + wh) = 2(23*4) + 2(23*12) + 2(12*4) = 2(92) + 2(276) + 2(48)
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Report Hypothesis: I predict that as the surface area of the canopy increases‚ the time it takes for the parachute to fall also increases. This is because the air resistance is larger‚ therefore the drag is increased. So the speed of the parachute decreases. This is because the forces (air resistance and gravity) are unbalanced. The change in air resistance is important because the larger the surface area of the canopy‚ the more air particles it is ‘hitting’; therefore the air
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apply before an area can be considered safe? A safe area according to the definition from the Encarta is summed up as an area where one can find refuge and safety‚ while living in security‚ (Encarta. 2007). Would you consider the Ryerson Campus area to be safe? This depends on a certain individual ’s bias which is based on the gender and age of that individual. Another factor that comes in to play is the time of day you are viewing the area‚ different opinions may be generated on an area if it were daytime
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Grade 9 Math Test Perimeter and Area Part A: Multiple Choice - Circle the letter of the correct answer. (12marks) 1. A circle has an area of 27 cm2. About how long is the radius? A) 24 cm B) 14 cm C) 9 cm D) 3 cm 2. The area of the circle is about A) 201.1 cm2 B) 64.0 cm2 C) 50.3 cm2 D) 25.1 cm2 3. The area of the shape is about A) 9 cm2
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