Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and...

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Transcript of Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and...

Page 1: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Mensuration

Page 2: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Area

&

Perimeter

Page 3: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

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

breadth

area

length

Area

4

perimeter

Page 4: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Find the perimeter of the given figure:

Ans: ……………

8 cm

4 cm

6 cm

7 cm

5 cm

10 cm

4 cm

4 cm

9 cm

Choose the correct option:

56 cm

65cm

58 cm 57 cm

Page 5: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Perimeter of a square park is 844 m. Find its side in centimeters.

Ans:……………..

Choose the correct option:

211cm

2.11cm

21100cm

2110cm

Page 6: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Find the perimeter of the regular hexagon of side 13.45 cm?

Ans:…………..

80.7km

807cm

0.807m

8.07dam

Choose the correct option:

Page 7: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

The perimeter of a regular heptagon is 161 dm. So, each is of length …

Ans:………………..

230 cm

23cm

0.23dm

2.3dm

Page 8: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

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

Page 9: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

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

Page 10: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

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

Page 11: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

Find the area of the circle having radius = 28cm.

Ans:………….

2466cm2

2464cm2

176cm2

1046cm2

Choose the correct option:

Page 12: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

14cm

16cm

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.

60 cm

32cm

88cm

76cm

Choose the correct option:

Ans:……………….

Page 13: Mensuration. Area & Perimeter Things to remember: Perimeter of a rectangle of length ‘a’ and breadth ‘b’ = 2( a + b) Perimeter of a square of side ‘x’

A B

C D

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:

11 cm

12.25 cm

22cm

44cm


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