Solve for \( c \):
\[ A = \frac{1}{2}(b + c)h \]
Answer (3)
A = 2 1 ( b + c ) h ∣ D i v i d e b y h h A = 2 1 ( b + c ) ∣ M u lt i pl y b y 2 h 2 A = b + c ∣ S u b t r a c t b h 2 A − b = c S o l u t i o n i s c = h 2 A − b .
A = 2 1 ( b + c ) h 2 A = ( b + c ) h h 2 A = b + c h 2 A − b = c
To find c in the equation A = 2 1 ( b + c ) h , first multiply both sides by 2, then divide by h , and finally subtract b to isolate c . The final formula is c = h 2 A − b .
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