Aman buys an article for Rs 240 and sells it for Rs 288. Is it true to say that a man has a gain percent of 20%? Justify your answershowing the working steps.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o