English

Find the perimeter of the given figure.

Advertisements
Advertisements

Question

Find the perimeter of the given figure.

Sum
Advertisements

Solution


Perimeter of AOB

= `1/4 (2pir) + 2r`

= `1/2 xx 22/7 xx 6.3 + 2 xx 6.3`

= 9.9 + 12.6

= 22.5 cm

∴ Perimeter of whole figure = 2 × 22.5 = 45 cm

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Mensuration - Exercise [Page 353]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 8
Chapter 11 Mensuration
Exercise | Q 72. | Page 353

RELATED QUESTIONS

A suitcase with measures 80 cm × 48 cm × 24 cm is to be covered with a tarpaulin cloth. How many metres of tarpaulin of width 96 cm is required to cover 100 such suitcases?


Identify the net which can be used to make cube (cut out copies of the net and try it):


Identify the net which can be used to make cube (cut out copies of the net and try it):


Identify the net which can be used to make cube (cut out copies of the net and try it):


Identify the net which can be used to make cube (cut out copies of the net and try it):


Match the nets with appropriate solids:

(a) (i)
(b) (ii)
(c) (iii)
(d) (iv)

Ramya made four more shapes. Each is to be folded along the dotted lines. You have to find out which of these can be made into a box.


In the given figure, identify the different shapes involved.

 


Find the area of the shaded portion in the following figure.


Find the area of the shaded portion in the following figure.


Find the area of the shaded portion in the following figure.


Work out the surface area of following shape (use π = 3.14).


The circle, the square, the rectangle and the triangle are examples of plane figures.


The circle, the square, the rectangle and the triangle are examples of plane figures.


The circle, the square, the rectangle, and the triangle are examples of plane figures.


The circle, the square, the rectangle and the triangle are examples of plane figures.


The circle, the square, the rectangle and the triangle are examples of plane figures.


The circle, the square, the rectangle and the triangle are examples of plane figures.


The circle, the square, the rectangle and the triangle are examples of plane figures.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×