Respuesta :

Answer:

10 m

Step-by-step explanation:

Area of = 1/2 * base* height

b= 12 m

h= 18.2 m

Area = 1/2*12*18.2

Considering,

base= 21.8 m

A= 1/2*21.8* h

[tex] \frac{1}{2} \times 12 \times 18.2 = \frac{1}{2} \times 21.8 \times h[/tex]

[tex]h = \frac{12 \times 18.2}{21.8} [/tex]

[tex]h = 10.018 \: m[/tex]

[tex]h = 10 \: m[/tex]

Hope this helps...

Good luck on your assignment..