find the area of rectangular frame one side of which measure 5 cm and one diagonal 13 cm
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I think the answer is 60 cm^2
maanvi2:
But how come
By pythagorus triplet rule we have known the side,
5^2 + X^2 = 13^2
25 + x^2 = 169
x^2 = 169 - 25
x^2 = 144
x = 12
area of rectangle equal to 12 x 5=60
u understood..??
Not really
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