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A triangular flower garden ha an area of 28m². Two of it' edge are 14metre and 8metre. Find the angle between the two edge

Sagot :

The angle between the two edge is 30°.

Given in the Question:

Area of the garden = 28m²

two edges are = 14 meter and 8 meter.

Now, suppose that angle between the two edge is θ, we get:

    Area = 1/2 × a ×b ×sinθ

⇒  28 = 1/2 × 14 × 8 ×sinθ

⇒ 28 1/2 × 112 × sinθ

⇒ sin θ = 56 /28

⇒ sinθ = 1/2

⇒ sin = 30°

Therefore, the angle is 30°

learn more about Angle:

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