"Calculation of the Area of Triangles" Area of Polygons PPT Courseware

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Jiangsu Education Edition Fifth Grade Mathematics Volume 1	pptx	6 MB

"Calculation of the Area of Triangles" Area of Polygons PPT Courseware

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Upload Time: 2024-10-07

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"Calculation of the Area of Triangles" Area of Polygons PPT Courseware

Two identical acute-angled triangles can be combined to form a parallelogram.

Two identical obtuse triangles can be combined to form a parallelogram.

Two identical right triangles can be combined to form a parallelogram.

The area of each triangle is equal to half the area of the resulting parallelogram.

Area of triangle = base × height ÷2

S=ah÷2

1. The area of a right triangle is equal to half the area of a rectangle with the same base and height as it. ( )

2. The area of a parallelogram is greater than the area of a triangle. ( )

3. The size of the triangle area is related to the base and height, and has nothing to do with the shape and position. ()

4. If the areas of two triangles are equal, their bases and heights must be equal. ( )

Multiple choice questions:

1. A triangle has () base and height.

A.1 group B.2 group C.3 group

2. Any two triangles of the same size can form a ().

A. Rectangle B. Parallelogram C. Square

3. If the base of the triangle is expanded by 2 times and the height becomes 1/2 of the original, then its area ( ).

A. Expand 2 times B. 1/2 of the original size C. No change

Keywords: area of polygons courseware, area calculation of triangles courseware, Jiangsu Education Edition fifth grade mathematics volume PPT courseware download, fifth grade mathematics slide courseware download, area of polygons PPT courseware download, area calculation of triangles PPT courseware download, .PPT Format;

For more information about the "Area of Polygons and Calculation of the Area of Triangles" PPT courseware, please click the "Area of Polygons ppt Calculation of the Area of Triangles ppt" tag.

"Calculation of the Area of Triangles" Area of Polygons PPT Courseware 2:

"Calculation of the Area of a Triangle" Area of a Polygon PPT Courseware 2 Review Import (1) What is the formula for calculating the area of a triangle? How is it derived? The formula for the area of a triangle: S=ah2 (2) Who can tell me the formula for the area of a triangle and the formula for a parallelogram...

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Update Time: 2024-10-07

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"Calculation of the Area of Triangles" Area of Polygons PPT Courseware