The length of the rectangle is 15cm and the length of its diagonal is 19.5cm. Find the area of the rectangle.
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Answer:
187.5cm²
Step-by-step explanation:
l= 15cm
d= 19.5cm (diagonal)
By phythagoras theorem
d²= l²+ b²
(19.5)²= 15²+ b²
b = 12.5 (approx.)
Area = l× b = 15× 12.5 = 187.5
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