Question

2. bilf If each of the dimensions of a rectangle is incresed by 100%, then the area is increased by a) 400% b) 100% c) 200% than CE equals to d) 300% I​

Answer 1

Answer:

Correct option is

D

300%

b'If l and b are the dimensions of a rectangle, then l increases by 100%of l and b increases by 100% of b. Therefore

Area=(l+  

100

100

​

l)×(b+  

100

100

​

b) =(2l)×(2b)=4lb

Increase=4lb−lb=3lb

Increase percent=  

lb

3lb

​

×100=300%'

Step-by-step explanation:

c

300%

b'If l and b are the dimensions of a rectangle, then l increases by 100%of l and b increases by 100% of b. Therefore

Area=(l+  

100

100

​

l)×(b+  

100

100

​

b) =(2l)×(2b)=4lb

Increase=4lb−lb=3lb

Increase percent=  

lb

3lb

​

×100=300%'