Asked by steph
area of a trapizoid:A==h/2(b1=b2). solve for h don't know how so solve it
Answers
Answered by
steph
the equal signb1=b2 should be b1+b2
Answered by
Steve
A = h(b1+b2)/2
2A = h(b1+b2)
h = 2A/(b1+b2)
just do things step by step.
first do addition/subtraction to isolate the h term (none required here)
then do multiplication/division to isolate h.
Note that the manipulations done to solve an equation are done in the reverse order of evaluating an expression. There you do multiplication first, then addition.
Rather than evaluating an expression, you're unwinding it to get at an individual item.
2A = h(b1+b2)
h = 2A/(b1+b2)
just do things step by step.
first do addition/subtraction to isolate the h term (none required here)
then do multiplication/division to isolate h.
Note that the manipulations done to solve an equation are done in the reverse order of evaluating an expression. There you do multiplication first, then addition.
Rather than evaluating an expression, you're unwinding it to get at an individual item.
Answered by
Anonymous
thanks i get it now
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