What are the 7 key signature formula's?
Music I Piano

I don't know exactly of what you are asking for but, There are seven sharps, F sharp, C sharp, G sharp, D sharp, A sharp, E sharp and B sharp,  and seven flats, B flat, E flat, A flat, D flat, G flat, C flat and F flat, that is the order that they are placed on a music sheet on both treble and bass clef.

the correct answer would be "the amiens cathedral"

perimeter = 2l +2w, divide total perimeter by 2 for total length of 1 side and 1 width

172/2 = 86 (  total for 1 side and 1 width)

86-24 = 62 (since length is 24 ft longer subtract 24 then divide by 2 for width)

62/2 = 31

width = 31 feet

length = 31 +24 = 55 feet

check: 31*2 = 62, 55*2 = 110,  110+62 = 172