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basic concepts area and perimeter

Learn how to calculate the area and perimeter of a triangle using basic concepts and formulas. Understand the relationship between height, base, and area in triangles.

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basic concepts area and perimeter

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  1. basic concepts area and perimeter

  2. The perimeter of a triangle is the measure around the triangle = a + b + c

  3. To find the area of a triangle: The height = the perpendicular distance from the opposite vertex to the base

  4. To find the area of a triangle: The height = the perpendicular distance from the opposite vertex to the base

  5. The area of this rectangle is height x base To find the area of a triangle: The height = the perpendicular distance from the opposite vertex to the base

  6. The area of this rectangle is height x base The area of the triangle is ½ the area of the rectangle To find the area of a triangle: The height = the perpendicular distance from the opposite vertex to the base

  7. The area of this rectangle is height x base The area of the triangle is ½ the area of the rectangle h Area of triangle = ½ h b b To find the area of a triangle: The height = the perpendicular distance from the opposite vertex to the base

  8. examples:

  9. area = ½ ( 4 )( 7 ) = 14 square units area = ½ ( 3 )( 6 ) = 9 square units area = ½ ( h )( b ) area = ½ ( 5 )( 9 ) = 22 ½ square units

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