Question

Example 5. In the adjoining figure, find the perimeter of
(1) triangle ABC
(ii) rectangle BCDE.
Whose perimeter is greater and by how much?
olution. (i) Perimeter of triangle ABC
= AB + BC + CA
please tell ​

Answer 1

Step-by-step explanation:

perimeter of triangle = AB + BC +AC

= 5/2 + 18/5+ 11/4

=177/20 = 8.85

perimeter of rectangle = 2 (l+b)

= 2 ( 15/4+7/6)

= 2 (118/24)

= 118/12

= 9.83

perimeter of rectangle is greater than the perimeter of triangle