Use the formula for the area of a triangle a= 1/2b*h to find the value of the unknown variable. h enry wants to use 48 feet of fencing to enclose part of his yard for a garden. which of the figures described would use all 48 feet of fencing and enclose the largest area of henry's yard?
a) a rectangle with a length of 14 feet and a width of 10 feet.
b) a rectangle with a length of 16 feet and a width of 8 feet
c) a square with a side length of 12 feet.
d) a circle with a radius of about 7.6 feet