Question

) AABC and ADEF are equilateral triangles. A(AABC): A(ADEF)=1:2.
If AB=4, then what is the length of DE?
(A) 2/2 (B) 4 (C) 8 (D) 4/2
Guys it under root option a) 2 and under root option (d)2​

Answer 1

Answer:

answer is 4√2

ar(abc)=1

ar(def)=2

so abc=4^2

def=x cross multiply by eq 1 and 2 you will get answer 32 which is equal to 4√

Answer 2

Answer:

Thanks for giving right answer

I'm also in 10th StD

How is your studing going

which board