Hmmm, just follow what ur gut thinks ifthat make sense
Answer:
20 cm^2
Step-by-step explanation:
Sectioned it off and multiplied the length by the width
It has become somewhat fashionable to have students derive the Quadratic Formula themselves; this is done by completing the square for the generic quadratic equation ax2 + bx + c = 0. While I can understand the impulse (showing students how the Formula was invented, and thereby providing a concrete example of the usefulness of abstract symbolic manipulation), the computations involved are often a bit beyond the average student at this point.
X= pi/4 +k(pi)
(This may not be correct sorry)
