1. Mensuration

2. Area
&
Perimeter

3. Things to remember: Perimeter of a rectangle of
length ‘a’ and breadth ‘b’ = 2( a + b)
Perimeter of a square of side ‘x’ = 4x
Length of a rectangle =
Breadth of a rectangle =
Side of a square =
Area of a rectangle of length ‘a’ and breadth ‘b’ = a × b
Area of a square of side ‘x’ = side × side = x × x = x2

4. Find the perimeter of the given figure: Ans: ……………
Choose the correct option:
56 cm
65cm
58 cm
57 cm
10 cm
5 cm
4 cm
7 cm
4 cm
6 cm
9 cm
4 cm
8 cm

5. Perimeter of a square park is 844 m. Find its side in centimeters.
Ans:……………..
Choose the correct option:
211cm
2.11cm
21100cm
2110cm

6. Find the perimeter of the regular hexagon of side 13.45 cm? Ans:…………..
Choose the correct option:
80.7km
807cm
0.807m
8.07dam

7. The perimeter of a regular heptagon is 161 dm. So, each is of length …
Ans:………………..
230 cm
23cm
0.23dm
2.3dm

8. A man takes two rounds of a field which is in a shape of a regular pentagon of each side 120 meters. Find the distance travelled by him in kilometers.
Ans:…………
Choose the correct option:
1.2 km
12km
600km
0.6 km

9. Choose the correct answer: 76.5 km 43.5 km 725 km 21.75 km
Mr. Ranjan every morning, takes 5 rounds of a rectangular park , whose length is 100m and breadth is 45m. How much distance does he cover in km in a month having 30 days ?
Ans:……………………
Choose the correct answer:
76.5 km
43.5 km
725 km
21.75 km

10. Find the perimeter of a rectangle whose
Length = 0.3 km and breadth = 40 m
Ans:……………..
Choose the correct option:
6.80km
0.34 km
3400m
0.68 km

11. Find the area of the circle having radius = 28cm. Ans:………….
Choose the correct option:
2466cm2
2464cm2
176cm2
1046cm2

12. A rectangle is bounded by 2 semicircles on its breadth
A rectangle is bounded by 2 semicircles on its breadth. The length of the rectangle is 16 cm and the diameter of the semicircles is 14 cm. Find the perimeter of the figure.
Choose the correct option:
16cm
60 cm
32cm
88cm
76cm
14cm
Ans:……………….

13. ABCD is a square bounded on all sides by semicircles. AB = 3. 5 cm
ABCD is a square bounded on all sides by semicircles. AB = 3.5 cm. Find the perimeter of the figure.
Ans:………………….
Choose the correct option: A B
11 cm
12.25 cm
22cm
44cm C D