Question

Altitude of a equilatral triangle of side 80 cm

Answer 1

Answer:

$6 \sqrt{10 } \: cm$

Answer 2

Answer:

Answer is

40√3

Step-by-step explanation:

Area of equilateral traingle

= √3/4 x a² = 1/2 x base x altitude

= √3/4 x (80)² = 1/2 x 80 x altitude

= √3/4 x 80x80/80 = 1/2 x altitude

= 20√3 x 2 = altitude

= 40 √3 = altitude. Ans