Answer:
Perimeter: 4 * s
Area: S 2
Diagonal: s 2 \sqrt {2} 2
Area of square when diagonal is given = 1 2 × d 2 \frac {1} {2}\times d^ {2} 21 × d2
Step-by-step explanation:
Answer: 8%
Step-by-step explanation:The shipping and handling fee of $35 was applied to the order or $437.50.
Divide the total by the shipping and handling fee:
35 / 437.50 = .08
Multiply by 100 to get percent:
.08 x 100 = 8%
90-n=3n
90=4n
22.5=n
Final answer 22.5