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From Yahoo Answers
Question:A square and an isosceles right triangle each have a perimeter of 16 meters. What is the absolute value of the difference between the number of square meters in their areas?
Answers:Area of square = 4x4 =16m2 Area of triangle = 1/2bcSinA = 1/2 x 16/3 x 16/3 sin60=64root3 all over 9 or 12.3168 m2 diff = 3.683 metres squared
Answers:Area of square = 4x4 =16m2 Area of triangle = 1/2bcSinA = 1/2 x 16/3 x 16/3 sin60=64root3 all over 9 or 12.3168 m2 diff = 3.683 metres squared
Question:Is there an easy way of finding a square/rectangle that has the same value for it's area as it does it's perimeter?
Answers:Side of a square x: x = 2(4x) x = 8x x = 4 Answer: where a side of the square is 4, the area and perimeter will be the same in number.
Answers:Side of a square x: x = 2(4x) x = 8x x = 4 Answer: where a side of the square is 4, the area and perimeter will be the same in number.
Question:like one of them is just the floor right? and the other is the ceiling,walls, and floor
which is which and could you explain? I really dont remember anything about how to find area.
Thanks the TAKS test is tomorrow! wish me luck :P
Answers:Surface area is used for 3 dimensional objects like cans and balls and ice cream cones. Area is usuall used for plane objects like the area in a circle or the area in a square. Ex: Put a page from the newspaper flat on the floor and figure out how much SURFACE AREA of the floor is covered. What is the AREA of the paper? What is the SURFACE AREA of a ball? What is the AREA of the shadow from a billboard in the sun? Hope the examples are helpful.
Answers:Surface area is used for 3 dimensional objects like cans and balls and ice cream cones. Area is usuall used for plane objects like the area in a circle or the area in a square. Ex: Put a page from the newspaper flat on the floor and figure out how much SURFACE AREA of the floor is covered. What is the AREA of the paper? What is the SURFACE AREA of a ball? What is the AREA of the shadow from a billboard in the sun? Hope the examples are helpful.
Question:like a rectangle with a perimeter of 20 inches, but has greater area for 5x5 than 1x9
i dont get it!
and out of a triangle, pentagon, hexagon, and octagon,
which will afford the greatest area? WHY!?
thanks :)
Answers:Think of the number of 1inch squares you can arrange inside a square which is 5" by 5" = 5 rows of 5 = 25 1inch squares total. But inside a 1" by 9" rectangle you can only place one row of 9 1inch squares. Hope that illustration helps . . .
Answers:Think of the number of 1inch squares you can arrange inside a square which is 5" by 5" = 5 rows of 5 = 25 1inch squares total. But inside a 1" by 9" rectangle you can only place one row of 9 1inch squares. Hope that illustration helps . . .
From Youtube
Perimeter Area :Perimeter Placement Lesson from Creative Teaching Press. Second and Third Grade Math Lab at Gatesville Elementary School. Teaches relationship between perimeter and area by having students trace shapes that have a perimeter of 12 inches and varying areas. Song about perimeter is included.
Perimeter and Area on a Coordinate Plane :Watch Mr. Almeida break down the confusion between finding area and perimeter using a coordinate grid. Perimeter is just the length around a shape. Area is the inside, which clearly shows why we call area square units.