What is the surface area of the pyramid

Me find the missing dimension of a triangle height: 7 in., area: 21^2

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?