Work out the area of the triangle to 1 decimal place. 10cm, 13cm, 105 degrees

Area = 62.8 cm²

Step-by-step explanation:

In the figure attached a triangle has been given with two sides and included angle between them.

Measures of two sides are 10 cm and 13 cm.

Measure of included angle = 105°

Since area of a triangle with two sides (a and b) and included angle (θ) is,

        =

       = 62.79

       ≈ 62.8 cm²

Therefore area of the given triangle is 62.8 cm²

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