Question

Find the area of the triangle to the nearest tenth.

7 cm
87 degrees
11 cm
O A. 2.0 cm²
O B. 38.4 cm2
O C. 734.6 cm2
O D. 76.9 cm2​

Answer 1

`A</p><p></p><p>=</p><p></p><p>a</p><p></p><p>b</p><p> \frac{</p><p>sin</p><p></p><p>γ}</p><p></p><p>2</p><p></p><p> \\ =</p><p></p><p>7</p><p></p><p>·</p><p></p><p>11</p><p></p><p>·</p><p> \frac{</p><p>sin</p><p></p><p></p><p>(</p><p>87</p><p></p><p>°)}</p><p></p><p></p><p></p><p>2</p><p> \\ </p><p>≈</p><p></p><p>38.44724`

Answer B is correct.