If #A=(a+b)/2 * h# how do you write this as an equation for #a#?
2 Answers
Sep 13, 2017
Explanation:
If
then
Sep 13, 2017
Explanation:
#"multiply both sides by 2"#
#2A=cancel(2)xx((a+b)h)/cancel(2)#
#"rArrh(a+b)=2A#
#"divide both sides by h"#
#cancel(h)/(cancel(h))(a+b)=(2A)/h#
#"subtract b from both sides"#
#acancel(+b)cancel(-b)=(2A)/h-b#
#rArra=(2A)/h-b#