MENSURATION CLASS : VI WORKSHEET - 2 DATE :________ Fill in the blanks: 1. Perimeter is also known as ______ of the boundary. 2. With all sides, 6 cm, the area of a square is______. 3. If the perimeter of a square carom-board is 480 cm, then each side length is______. 4. _______ is the length of each side of a square if its area is 196 cm2. 5. With each side 12cm, perimeter of triangle is _______. 6. The area of a square of side 25 cm is ———— 7. The perimeter of an equilateral triangle of side 8cm is ————— 8. The area of a rectangle of length 20cm and breadth 5cm is ——– 9. The area of a square is 49 sq. m. Length of each side is ——– 10. The perimeter of an isosceles triangle of equal side 6cm and third side 8 cm is ————II) True or False 1. A normal octagon with a side of 5 cm has a perimeter of 40 cm. 2. When the side of a square is doubled, the area of the square is likewise doubled. 3. To build a compound wall around a house, an engineer must first figure out the compound’s size. 4. To determine the cost of painting a wall, we must first determine the wall’s perimeter. 5. To determine the cost of a photo frame, we must first determine the picture’s perimeter. III. Answer the following: 1. The perimeter of a triangle is 20cm. The lengths of two sides are 6cm and 8cm. Find the length of third side? 2. Find the cost of fencing a rectangular garden of length 50m and breadth 30m at the rate of 24 rupees per metre? 3. The perimeter of a square is 72cm. Find the length of each side? 4. Find the perimeter of a square of side 24 cm? 5. Find the cost of cementing a rectangular floor of length 7m and breadth 6m at the rate of 50 rupees per metre? 6. The perimeter of an equilateral is 60cm, what is the length of each side? 7. Rohit takes 5 rounds of a rectangular park, 40m length and 25m width. Find the total distance covered by him? 8. The area of a rectangular garden 20m long is 420 sq. m find the width of the garden? 9. A piece of string 80cm long is bent to form a regular pentagon. Find the length of each side? 10. Find the length of each side of a regular hexagon of perimeter 36m? 11. Meera went to a park 150 m long and 80 m wide. She took one complete round on its boundary.What is the distance covered by her? 12. Find the perimeter of the following figures 13. Find the area of a rectangle whose length and breadth are 12 cm and 4 cm respectively. 14. Find the area of a square plot of side 8 m. 15. The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the widthof the cardboard? 1. The area of a square whose perimeter is 4 m (a) 1 m2 (b) 4 m2 (c) 2 m2 (d) 3 m2 2. Which figure encloses more area : a square of side 2 cm ; a rectangle of side 3 cm & 2 cm ;An equilateral triangle of side 4 cm (a) rectangle (b) square (c) triangle (d) same of rectangle & square 3. The area of rectangle whose length is 15 cm & breadth is 6 m (a) 9000 cm2 (b) 90 cm2 (c) 9 cm2 (d) 900 cm2 4. The distance covered along the boundary of a rectangle is called its (a) area (b) perimeter (c) length (d) breadth 5. The perimeter of a square is (a) 4 + side (b) 4 x side (c) side x side (d) length +breadth 6. The perimeter of an equilateral triangle is (a) side + side + side (b) side x side x side (c) 3 + side (d) side + side 7. The amount of surface enclosed by a closed figure is called its (a) perimeter (b) area (c) flat surface (d) interior region 8. Area of which figure is length x breadth (a) rectangle (b) square (c) isosceles triangle (d) equilateral triangle 9. What will be the distance covered by Shalini by taking three rounds around a square park ofside 2 cm (a) 6 cm (b) 12 cm (c) 18 cm (d) 24 cm 10. What is the perimeter of a regular pentagon whose each side measuring 5 cm (a) 10 cm (b) 20 cm (c) 15 cm (d) 25 cm 11. The shape of your class blackboard is (a) square (b) rectangle (c) triangle 12. What is the area of the rectangle whose side are 5 cm (a) 10 cm (b) 20 cm (c) 15 cm (d) parallelogram (d) 25 cm 13. If the cost of painting one black-board is Rs.50, what will be the cost of painting 10 blackboards (a) Rs.60 (b) Rs.500 (c) Rs.5000 (d) Rs.10 2 14. If the area of one tile is 10 . What will be the area of 5 tiles? (a) 50 m2 (b) 2 m2 (c) 15 m2 (d) 11 m2 15. 7 m is ----------------- cm. (a) 700 cm (b) 0.7 cm (c) 0.07 cm 16. The perimeter of regular hexagon of side 4 cm will be (a) 20 cm (b) 24 cm (c) 10 cm (d) 700 cm (d) 14 cm 17. The formula for finding area of rectangle is (a) length x breadth (b) length +breadth (c) length/breadth (d) 2( length x breadth) 18. The perimeter of an isosceles triangle with equal side of length 4 cm and third side of length 6 cm will be (a) 10 cm (b) 8 cm (c) 20 cm (d) 14 cm 19. 1 m 25 cm is ----------------- cm. (a) 125 cm (b) 1.25 cm (c) 1025 cm (d) 12.5 cm 20. Which has larger perimeter a square of side 2 cm, decagon of side 1 cm, pentagon of side 3 cm and equilateral triangle of side 1 cm (a) decagon (b) pentagon (c) square (d) triangle 21. Which appropriate unit of measurement will be used to find the length of your thumb (a) cm (b) m (c) km (d) m2
