The length of a rectangle is three times of its width. If the length of the diagonal is √ 810 , then find the perimeter of the rectangle.

The length of a rectangle is three times of its width. If the lengt

1.	The length of a rectangle is three times of its width. If the length of the diagonal is √ 810 , then find the perimeter of the rectangle.
A.	62 cm
B.	64 cm
C.	66 cm
D.	68 cm
Answer» C. 66 cm

Discussion

No Comment Found

Related MCQs

What is the area of the given rectangle? I. Perimeter of the rectangle is 60 cm. II. Breadth of the rectangle is 12 cm. III. Sum of two adjacent sides is 30 cm.
What is the cost painting the two adjacent walls of a hall at Rs. 5 per m2 which has no windows or doors? I. The area of the hall is 24 sq. m. II. The breadth, length and height of the hall are in the ratio of 4 : 6 : 5 respectively. III. Area of one wall is 30 sq. m.
What is the area of the hall? I. Material cost of flooring per square metre is Rs. 2.50 II. Labour cost of flooring the hall is Rs. 3500 III. Total cost of flooring the hall is Rs. 14,500.
What will be the cost of painting the inner walls of a room if the rate of painting is Rs. 20 per square foot? I. Circumference of the floor is 44 feet. II. The height of the wall of the room is 12 feet.
The area of a rectangle is equal to the area of right-angles triangle. What is the length of the rectangle? I. The base of the triangle is 40 cm. II. The height of the triangle is 50 cm.
What is the area of a right-angled triangle? I. The perimeter of the triangle is 30 cm. II. The ratio between the base and the height of the triangle is 5 : 12. III. The area of the triangle is equal to the area of a rectangle of length 10 cm.
What is the area of rectangular field? I. The perimeter of the field is 110 metres. II. The length is 5 metres more than the width. III. The ratio between length and width is 6 : 5 respectively.
What is the height of the triangle? I. The area of the triangle is 20 times its base. II. The perimeter of the triangle is equal to the perimeter of a square of side 10 cm.
The area of playground is 1600 m2. What is the perimeter? I. It is a perfect square playground. II. It costs Rs. 3200 to put a fence around the playground at the rate of Rs. 20 per metre.
The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

The length of a rectangle is three times of its width. If the length of the diagonal is √ 810 , then find the perimeter of the rectangle.

Discussion

No Comment Found

Related MCQs

Reply to Comment