Atriangular flower garden has an area of 28 m². two of its edges are 14 metres and
8 metres. find the angle between the two edges.

30°

Step-by-step explanation:

Area of a triangle can be found using either of the formula:

1. area = 1/2 x base x height

2. area = 1/2 ab sin c

Since we know the length of the two edges, we will use the 2nd formula:

Area = 1/2 ab sin c

Substituting the known values:

28 = 1/2 (14)(8) sin c

28 = 56 sin c

sin c = 0.5

c = 30°

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