4 (1 + sqrt(17)) π m^2 (square meters)≈64.3788 m^2 (square meters) (assuming apex (0, 0, 8) and base center (0, 0, 0))

6.438×10^-5 km^2 (square kilometers)

2.486×10^-5 mi^2 (square miles)

693 ft^2 (square feet)

0.01591 acres

≈ ( 0.12 ≈ 1/8 ) × Boeing 747-400 wing surface area ( ≈ 525 m^2 )

≈ ( 0.13 ≈ 1/7 ) × B2 stealth bomber wing surface area ( ≈ 478 m^2 )

≈ 0.92 × average surface area of a human lung ( ≈ 70 m^2 )

slant height | 2 sqrt(17) meters≈8.24621 meters volume | (32 π)/3 m^3 (cubic meters)≈33.5103 m^3 (cubic meters) lateral surface area | 4 sqrt(17) π m^2 (square meters)≈51.8125 m^2 (square meters) base area | 4 π m^2 (square meters)≈12.5664 m^2 (square meters) base circumference | 4 π meters≈12.5664 meters surface area | 4 (1 + sqrt(17)) π m^2 (square meters)≈64.3788 m^2 (square meters) opening angle | 2 tan^(-1)(1/4) radians≈0.489957 radians (assuming apex (0, 0, 8) and base center (0, 0, 0))