A=(1/2)*a*h
A=255 - Area
h=15 - hight
a - lenght of base
255=(1/2)*a*15 Multiply with 2
510=15*a Divide with 15
a=510/15=34
a=34ft
Checking of results:
A=(1/2)*a*h
A=(1/2)*34*15
A=(1/2)*510
A=255ft squared
A landscaping company is laying a triangular flower bed. The height of the trangle is 15ft. What lengths of the base will make the area at least 255ft squared?
1 answer