Answer:

Step-by-step explanation:
Length=2*Width
L=2*W
Perimeter=28.8 cm
Perimeter of a rectangle= 2(Length+Width)



Answer:
where is the question
Step-by-step explanation:
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Answer:
3040
Step-by-step explanation:
given arithmetic progression is
70,100,130,...
here
first term (a)=70
common difference (d)=100-70=30
number of term n=100
using the formula of arithmetic progression
an=a+(n-1)d
a100=70+(100-1)30
a100=70+99×30
a100=70+2970
a100=3040