Mensuration

What is the perimeter of a rectangle with length 12 cm and breadth 8 cm?

• 36 cm
• 28 cm
• 40 cm
• 50 cm

The perimeter of a square with a side length of 5 cm is:

• 30 cm
• 15 cm
• 20 cm
• 25 cm

A rectangular park is 50 m long and 25 m wide. If an athlete takes 4 rounds along its boundary, what distance does he cover?

• 600 m
• 800 m
• 400 m
• 500 m

A regular pentagon has a perimeter of 50 cm. What is the length of one side?

• 5 cm
• 15 cm
• 20 cm
• 10 cm

What is the perimeter formula for a rectangle?
a) 2 × (Length + Breadth)
b) 4 × Side
c) 3 × Side
d) Length × Breadth

• 2 × (Length + Breadth)

• Length + 2 × Breadth
• 2 × Length
• Length + Breadth

What is the area of a rectangle with length 6 cm and breadth 4 cm?

• 20 cm²
• 30 cm²
• 24 cm²
• 12 cm²

The area of a square with a side of 9 cm is:

• 72 cm²
• 90 cm²
• 45 cm²
• 81 cm²

A floor is 5 m long and 4 m wide. A square carpet of sides 3 m is laid on the floor. What is the area of the floor that is not carpeted?

• 12 m²
• 9 m²
• 15 m²
• 11 m²

The area of a rectangle is 48 cm², and its length is 12 cm. What is its breadth?

• 6 cm
• 8 cm
• 10 cm
• 4 cm

A farmer wants to fence a rectangular field of 240 m × 180 m. What is the total length of the fencing needed?

• 600 m
• 720 m
• 900 m
• 840 m