Question about The Learning Company Achieve! Math & Science Grades 1-3 (381933) for PC, Mac

Hello,

There is no such thing as an **irregular** rectangle. This being said, I believe that the area of a parallelogram is **still** equal to the product of the base by the height.

Draw your parallelogram with one side horizontal. From the next corner, draw a line perpendicular to the base. The length of the segment you just drew is h. If b is the length of the base the area is b*h.

Hope it helps.

Posted on Oct 11, 2009

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Posted on Jan 02, 2017

Work out the area of the green triangle, and subtract the area of the white triangle.

Mar 30, 2017 | The Computers & Internet

3600

Be sure to show your work.

Be sure to show your work.

Jan 04, 2017 | Homework

I don't think you can figure out the area of this rhombus/parallelogram.

The area of a parallelogram is base, which we have, times height.

Picture the parallelogram with all the angles being 90 degrees. The area would be 54 square centimetres. Now imagine you can slide the top part of the parallelogram to the right, with the bottom fixed and all the corners on hinges. In theory, you can nearly slide the top down until it is just above the base. The area would approach zero, as the height of the parallelogram decreases.

Good luck,

Paul

The area of a parallelogram is base, which we have, times height.

Picture the parallelogram with all the angles being 90 degrees. The area would be 54 square centimetres. Now imagine you can slide the top part of the parallelogram to the right, with the bottom fixed and all the corners on hinges. In theory, you can nearly slide the top down until it is just above the base. The area would approach zero, as the height of the parallelogram decreases.

Good luck,

Paul

Apr 14, 2016 | Office Equipment & Supplies

Take a square or a rectangle and push the top to one side . That is a parallelogram. But so are the square and the rectangle.

Mar 27, 2015 | Microwave Ovens

The angles are right angles.

Jun 13, 2013 | Cell Phones

Area - The size of a surface

Specific

Square

Area = Side x Side

Rectangle

Area = Length x Width

Triangle

Area = Base x Height (cut the answer in half and that is your area)

Parallelogram

Area = Base x Height

Circle

Area = Radius x Radius x 3.14

Specific

Square

Area = Side x Side

Rectangle

Area = Length x Width

Triangle

Area = Base x Height (cut the answer in half and that is your area)

Parallelogram

Area = Base x Height

Circle

Area = Radius x Radius x 3.14

Aug 30, 2011 | Computers & Internet

o find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that aparallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of each triangle is equal to one-half the area of the parallelogram.

Since the area of a parallelogram is , the area of a triangle must be one-half the area of a parallelogram. Thus, the formula for the area of a triangle is: or where is the base, is the height and**·** means multiply.
The base and height of a triangle must be perpendicular to each other. In each of the examples below, the base is a side of the triangle. However, depending on the triangle, the height may or may not be a side of the triangle. For example, in the right triangle in Example 2, the height is a side of the triangle since it is perpendicular to the base. In the triangles in Examples 1 and 3, the lateral sides are not perpendicular to the base, so a dotted line is drawn to represent the height.

Since the area of a parallelogram is , the area of a triangle must be one-half the area of a parallelogram. Thus, the formula for the area of a triangle is: or where is the base, is the height and

May 13, 2011 | Computers & Internet

The area of a parallelogram is:

Area = Base x Height

Area = Base x Height

Nov 22, 2009 | The Learning Company Achieve! Math &...

Hello,

Thanks for using FixYa.

- This lot does not have the form or a regular quadrilateral (rectangle, square, parallelogram, etc.)
- So you cannot calculate its area, you have to know exactly the shape it has.
- With polygons, one usually cuts them into triangles.
- You have to cut it into two triangles,
- measure the base and the height of each triangle,
- use the area formula for the triangle ( area = heightX base/2)
- After you calculate the areas of both triangles, you add them to get the area of the the whole lot in ft^2.
- Using the conversion formula between acres and ft^2 which is 1 acre=43560 ft^2, you divide the area of the lot in square feet by the number 43560 ft^2 and express the result as a percentage or a fraction .

Thanks for using FixYa.

Nov 19, 2009 | Calculated Industries Pocket Real Estate...

You shape is a rectangle and a right angled triangle. You need to divide it into the rectangle and the right angled triangle and add the areas.

Area of a rectangle is length * width

Then just add the two together.

Area of a rectangle is length * width

Then just add the two together.

Oct 08, 2009 | The Learning Company Achieve! Math &...

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Usually answered in minutes!

For a parallelogram area equals the base times the height becase both sides ar parallel and have have the same angles. A= B*H For the irregular rectangle, it depends on how much information is given. Normally you can break the figure into rectangles and triangles and them add the areas together.

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