Mental Maths Class 5 Mensuration

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

The area of a rectangle is 48 sq. cm and its breadth is 6 cm. Find the perimeter of this rectangle.

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)+5, ask questions & climb the leaderboard!

A 8 cm
B 14 cm
C 28 cm
D 20 cm

Show answer and explanation

Answer: C. 28 cm

The correct answer is C. First, find the length by dividing area by breadth (48 / 6 = 8 cm). Then, calculate the perimeter using 2 x (length + breadth), which is 2 x (8 + 6) = 28 cm.

Answering after opening this box earns no Practice Points.

Rules for asking and answering

The area of a rectangle is 48 sq. cm and its breadth is 6 cm. Find the perimeter of this rectangle.

More questions like this