Question

The area of a trapezium is 480 sqm If the parallel sides are equal and the height is 15 metres, then the value of the parallel sides will be ​

Answer 1

Answer:

One of the parallel sides of the trapezium is a = 20 m, let another parallel side be b, height h = 15 m. The given area of trapezium = 480 m2. or b = 44 m.

Answer 2

Answer:

Each of the parallel sides are 32m

Step-by-step explanation:

Let one parallel side be x

The other parallel side = x

Area of trapezium = 480m²

$\frac{1}{2}$ × h (a + b) = 480m²

$\frac{1}{2}$ × 15m (x + x) = 480m²

$\frac{1}{2}$ × 15m × 2x = 480m²

15m × x = 480m²

x = $\frac{480m^{2}}{15m}$

x = 32m

∴Each of the parallel sides are 32m

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