Math, asked by chakkihemu2007, 6 hours ago

Observation

on actual measurement::

a=7 cm
b=3 cm
so, (a+b)= cm
a²= cm
b²= cm
ab=
(a+b)²=
2ab=

please give correct answer

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Answers

Answered by sumithaullas1983

1

Answer:

a=7cm

b=3cm

so, 2ab

2×7×3 = 42cm

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