Find the lateral surface area of a regular hexagonal pyramid whose edge measures 20cm and the radius of a circle inscribed in the base is 9√3 cm

The 9+9 in the Base Triangle is the same as the 18 in the lateral surface area triangle.

At a constant it will take one hour to travel 32 mi.at that speed it will take 1/2 hr to travel the remaining 16 mi.it will take 1+1/2 hr to travel the 48mi @ 32mph.so 1 hr = 60 min& 1/2 hr = 30 min1+1/2 hr = 90 min.there are 60s in each 90 × 60 = 3600 seconds.the real question seriously is he why are they driving so slow? ! lol.

Th is not an attachment