word problem for mathematics

Mathematics
Tutor: None Selected Time limit: 1 Day

May 21st, 2015

let base =b and height =h 
(b+h)=12 
area of triangle = (1/2) * b*h 
(1/2) bh = 16 
bh =16*2=32 
h= 32/b 
Now (b+h)=12 
(b+32/b ) = 12 

multiply equation by b 
b^2+32=12b 
b^2-12b+32=0 
b^2-8b-4b+32=0 
b(b-8)-4(b-8)=0 
(b-8)(b-4)=0 
b=4 OR 8 
if b=4 h=8 
if b=8 h= 4 



May 21st, 2015

show a check please

May 21st, 2015

show a check please

May 21st, 2015

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