The 2 numbers are 14 and 6. 14-6 = 8.
14 + 6 = 20
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:
Does this make sense?
Answer:
i don't now ugly
Step-by-step explanation:
Answer:
Surface area of cube =6× l^2 (where l is the side of cube)
Therefire 6×9^2=6×81
=486in^2