Step-by-step explanation:
The correct option is D 56.25%
Let the side be 10 cm. Then the area will be
100
c
m
2
New side
=
125
%
o
f
10
12.5
;
A
r
e
a
(
)
156.25
Percentage increase in area
56.25
.
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Verified answer
Step-by-step explanation:
The correct option is D 56.25%
Let the side be 10 cm. Then the area will be
100
c
m
2
New side
=
125
%
o
f
10
=
12.5
c
m
;
A
r
e
a
=
(
12.5
)
2
=
156.25
Percentage increase in area
=
56.25
%
.