Every rectangle here has a perimeter of 20 cm. Which one has the greatest area?
A5 cm by 5 cm
B6 cm by 4 cm
C8 cm by 2 cm
D9 cm by 1 cm
Answer & Solution
Correct answer: A. 5 cm by 5 cm
The areas are 25, 24, 16 and 9 sq cm, so the 5 by 5 square is greatest.
Keep practising Perimeter and Area
Browse all Perimeter and Area questions for Olympiad (Class 5), or explore more Mathematics topics.
Related questions
A string just goes round a spool once. The string length matches which measure of the spooA boundary wall 60 m long is built round a square plot. How long is one side of the plot?A rectangle has sides of 14 cm and 9 cm. A square has the same perimeter. What is the squaA 3 m by 2 m rectangle has an area of 6 sq m. How many square millimetres is that?What does a square of side 1 cm give as its area unit?Which unit would suit the area of a football ground best?A rectangle is twice as long as it is wide, and its width is 5 cm. What is its perimeter?A rectangular page has area 150 sq cm and width 10 cm. What is its length?