30. The distance covered in one round along the boundary of a closed figure is called
- (A) Length
- (B) Breadth
- (C) Perimeter
- (D) Area
29. The amount of region enclosed by a plane closed figure is called its
- (A) Diagonal
- (B) Breadth
- (C) Perimeter
- (D) Area
28. To find the cost of painting a wall we need to find the perimeter of the wall.
- (A) Length
- (B) Breadth
- (C) Perimeter
- (D) Area
27. To find the cost of a frame of a picture, we need to find the perimeter of the picture.
- (A) Diagonal
- (B) Breadth
- (C) Perimeter
- (D) Area
26. An engineer who plans to build a compound wall on all sides of a house must find the area of the compound.
- (A) Length
- (B) Breadth
- (C) Perimeter
- (D) Area
25. A farmer who wants to fence his field, must find the perimeter of the field.
- (A) Length
- (B) Diagonal
- (C) Perimeter
- (D) Area
24. Area of a rectangle with length 5 cm and breadth 3 cm is
- (A) 14 sq cm
- (B) 15 sq cm
- (C) 16 sq cm
- (D) 20 sq cm
23. Perimeter of a triangle with sides 4.5 cm, 6.02 cm and 5.38 cm is
- (A) 15.02 cm
- (B) 15.9 cm
- (C) 15.09 cm
- (D) 15.01 cm
22. Perimeter of a regular octagon of side 6 cm
- (A) 12 cm
- (B) 48 cm
- (C) 24 cm
- (D) 64 cm
21. The perimeter of a regular pentagon is 1540 cm. How long is its each side?
- (A) 307 cm
- (B) 308 cm
- (C) 310 cm
- (D) 364 cm