Question

4) A rectangle has sides 58 m and 30 m. If the sides are increased by 2 m

each, find the change in the perimeter and area.​

Answer 1

Step-by-step explanation:

perimeter of original rectangle

2(58+30)

2(88)

176

side of new rectangle

60 and 32

perimeter of new rectangle

2(60+32)

2(92)

184

change in perimeter

184-176

8

Answer 2

Step-by-step explanation:

Present perimeter=2(l+b)

=2(58+30)

=2(88)

=176

Present area =l*b

= 1740

New perimeter=2(60+32)

=2(92)

=184

New area=60*32=1920

Change in perimeter = 184-176=6cm

Change in area=1920-1740=180