Question

Find Area: 2 - √5 x 8 - √5

Answers:



21

41

21 - 10√5

41 - 10√5

Answer 1

\(\bf (2-\sqrt{5})(8-\sqrt{5}) \implies 2(8-\sqrt{5})-\sqrt{5}(8-\sqrt{5})\)

Answer 2

??

Answer 3

the fourth one?

Answer 4

dunno, multiply them

Answer 5

let's try the first one \(\bf 2(8-\sqrt{5})\)
what does that give you?