The triangular pyramid is made up of four congruent triangles. The surface area is approximately 250 square meters. D
B
Which could be the dimensions of the base and the height of the triangular base of the pyramid?
o 1= 12 m; h= 10.4m
O = 14m, n= 12.1m
O /= 24 m; h= 20.8m
O = 28m, h= 24 1 m

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.