Mensuration 2D

Question 1

Jack went to the garden for a picnic. He saw a board in the garden with the area of the square garden mentioned as 625 sq.m. He is curious to know what will be the area of a path of width 2.5 m around it if the path is outside the garden?

• 169 sq. m

• 200 sq. m

• 275 sq. m

• 400 sq. m

Question 2

Johnny went to an exhibition, he saw a triangular swing there. He noted the dimensions of the swing as 3m, 4m, and 5m. Find its area?

• 7/2 sq. m

• 5 sq. m

• 6 sq. m

• 11 sq. m

Question 3

Given: The area of a rectangle field is 6000 sq.m. The ratio of the sides is 5:4, find the perimeter of the rectangular field.

• 100 m

• 183√3 m

• 180√3 m

• 200 m

Question 4

If the diagonal of a square has a length of 23√2. Find the area of the square?

• 46√2 sq . m

• 441 sq. m

• 529 sq. m

• 1058 sq. m

Question 5

Given: The diagonals of a rhombus are 26 cm and 14 cm. Find the length of its boundaries:

• 30√3

• 4*√216

• 4*√218

• None of the above

Question 6

Given: The sides of a rectangular garden are 36 m x 64 m. Find the perimeter of a square garden which is having the same area as that of the rectangle?

• 136

• 140

• 180

• 192

Question 7

Jimin was calculating the area of a square. He made a mistake in measuring the side of square, the error of 10% excess is made in calculating the side of a square by him. Find the % error in its area.

• 11

• 15

• 21

• 60

Question 8

If a circular swing in an exhibition has an area of 616 sq.m. Find the radius of the swing?

• 24/7

• 40/7

• 11

• 14

Question 9

The perimeter of a field of length 100 m and breadth is 50 m is:

• 500 m

• 400 m

• 300 m

• 200 m

Question 10

If the radius of a circle is increased by 7.36%, then by how the area will be increased?

• 13.58

• 14.97

• 15.26

• 22.75