Seven to the fourth power
minus three

Can you draw an isosceles triangle with only one 80 degree angle?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2

Can you me find the missing length. i attached an image.