360 - because a right angle is 90° and there are 4 right angles in a circle , 90 x 4 = 360
Answer: it has a 20% increase
776 x 0.3 =232.8
776-232.8= 543.2
Based on the given condition Diego utilized, it can be said that he used multiplication property when he multiplied both sides of the equation by 6 and then substitution property when he substituted 6 to the original equation.
(c) Multiplication property of equality and substitution property of equality
