Each diagonal of a square is 14 cm long. Its area is
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as a square is a rhombus so 1/2 into d1 into d2=14×7=98
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In square ABCD, ac is a diagonal
in ∆ ABC
by Pythagoras theorem
ac^2=ab^2+bc^2
196 = ab^2 +ab^2 ( because in square sides are equal)
196/2 =ab^2
98 = ab^2
√98=ab
area =ab*bc
=√98*√98
=98
in ∆ ABC
by Pythagoras theorem
ac^2=ab^2+bc^2
196 = ab^2 +ab^2 ( because in square sides are equal)
196/2 =ab^2
98 = ab^2
√98=ab
area =ab*bc
=√98*√98
=98
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