The perimeters of two squares are 40cm and 32cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+51 point = ₹1 discount on purchases, ask questions & climb the leaderboard!

• A 24
• B 36
• C 12
• D 6

Submit Answer

Show answer and explanation

Answer: A. 24

100cm^2-64cm^2=36cm^2 The area of the third square is 36cm^2. The length of one side is 6cm. 4x6xm=24cm.

Answering after opening this box earns no Practice Points.