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PERIMETRO DEL RECTÁNGULO: 2 (Base 1) + 2(altura 1)
ÁREA DEL TRAPECIO: {[(Base mayor + Base menor)]/2}*Altura
Respecto a la figura denotamos estos datos:
Base mayor: B
Base menor: B/2
Altura: B
Base 1: B
altura 1: B/2
Solución:
TRAPECIO:
75cm ²= {[(Base mayor + Base menor)]/2}*Altura
75cm² = [(B + B/2)/2]*B
75cm² = (3B/2)/2 *B
75cm² = 3B/4 *B
300cm² = 3B²
100cm² = B²
10cm =B
PERÍMETRO DEL RECTÁNGULO:
2 (Base 1) + 2(altura 1)
2(B) + 2(B/2)
2(10) + 2(10/2)
20 + 2(5) = 20 + 10 = 30cm
RPTA: 30cm