Area Challenge Letter Size A = B = FORMULAS C = A B PI = 3.14 D = K G AREA CIRCLE E = E PI * R * R F = A AREA SQUARE G = F B * H H = H J = J AREA TRIANGLE B * H D K = 2 A+ B + C+D= 3.44 E + F + G + H + J + K= 12.56 A + B + C + D + E + F + G + H + J +K= 16