B
12 in.
а
23
4
С
find the value of a

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).