Step-by-step explanation:
Area of the triangle with two sides equal 4 cm and 5 cm and the included angle equal to 30° is
[tex] = \frac{1}{2} \times 4 \times 5 \times sin30 \\ = \frac{1}{2} \times 4 \times 5 \times \frac{1}{2} \\ = 5 \: cm^{2} [/tex]
Hope it will help :)❤
