ÁREA DEL TRAPECIO Super facil - Tipos de trapecios
Understanding the Trapezoid Area Calculation
Introduction to Trapezoids
- Daniel Carrión introduces the topic of trapezoids, a four-sided geometric figure with only two parallel sides.
- Defines the major base, minor base, and height of a trapezoid, emphasizing that height is the perpendicular distance between the bases.
Types of Trapezoids
- Discusses three types of trapezoids based on their internal angles:
- Rectangular Trapezoid: Contains two right angles (90 degrees).
- Isosceles Trapezoid: Has equal lateral sides and angles.
- Scalene Trapezoid: All sides are of different lengths.
Area Calculation Formula
- Introduces the formula for calculating the area of a trapezoid:
- Area = (Base Major + Base Minor) × Height / 2
Example Calculations
Isosceles Trapezoid Example
- Presents an example with an isosceles trapezoid having:
- Major base: 10 cm
- Minor base: 7 cm
- Height: 5 cm
- Substitutes values into the formula and calculates:
- Area = (10 + 7) × 5 / 2 = 42.5 cm²
Rectangular Trapezoid Example
- Moves to a rectangular trapezoid example with dimensions:
- Major base: 6 cm
- Minor base: 3 cm
- Height: 3 cm
- Calculates using the same formula:
- Area = (6 + 3) × 3 /2 = 13.5 cm²
Scalene Trapezoid Example
- Concludes with a scalene trapezoid example featuring:
- Major base: 8 cm
- Minor base: 3 cm
- Height:4 cm
- Final calculation yields:
- Area = (8 +3 ) ×4 /2 = 22 cm²