"S=\\frac{1}{2}(2\\times h+6)\\times h=28;\nh^2 +3\\times h=28; h^2 +3\\times h-28=0;D=9+4\\times 28 = 121;\nh = \\frac{-3+11}{2};h=4;2\\times h+6=8+6=14;S=\\frac{1}{2}(14\\times 4)=28;"
Answer: the height is 4cm and base is 14cm
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment