Question

15 puntos por la respuestas ​

Answer 1

5)

H= √[L²-(L/2)²] = √[(40m)²-(40m/2)²]

A = (B×H)/2

A = (40m × 20√3m)/2

A = 400√3m²

6)

tg(45°) = 1 = H/3m

H = 3m

A = (B×H)/2 = (3m×6m)/2 = 9m²

A⬛ = b×h = 6m × 5m = 30m²

A = A+A⬛ = 9m² + 30m² = 39m²