Question

4. Find the surface area of this regular triangular pyramid.




615.2 cm2

1243.4 cm2

627.2 cm2

1143.2 cm2

Answer 1

S = slant face area + base area

S
= (1/2)(3*16)(21.5) + (1/2)(16)(13.9)
= 627.2 cm^2

Answer 2

ty can you answer my previous quetsion?

Answer 3

ok :)