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°
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