Question

Urgente!!!!!!!!!!!!!!!!!!

Answer 1

ABC:

sin(45)= 2x/AC
AC= 2x/sin(45)
AC= 2,83x

2x²-1,41x²= h |√
1,42x= h

A= (2,83x*1,42x)÷ 2= 2,0093x²

CDE:

sin(45)= x/CE
CE= x/sin(45)
CE= 1,41x

x²-0,71x²= h |√
0,7x= h

A= (1,41x*0,7x)÷2= 0,4935x²

razão:
2,0093/0,4935≈ 4

resposta correta e b)