Find the diagonal of a rectangle whose length is 16 cm and area 192 cm?
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H =16cm
B=?
area =192cm²
area = 16*b
192= 16 *b
b = 192/16
b = 12cm
By pythagoras theron
h²= p²+b²
h² = 16 ² + 12²
h² = 256 + 144
h² = 400
h = 20cm
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