Question

Find the height the trapezium the sum of lenght if whose base is 15 cm and whose area is 500cm square?

Answer 1

Area of trapezium = $\frac{a+b}{2}$ ×h

$500cm^2$ = $\frac{15cm}{2}$ ×h

$500^2cm$ = $7.5cm × h$

$\frac{500^2}{7.5cm}$ = h

$66.67cm (approximately)$ = h cm

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