Используйте формулу, написанную ниже, чтобы найти площадь данного треугольника.
A=\frac{1}{2}ab\sin\theta
Как указано,
a=12,\:b=5,\:\theta=60^{\circ}
Поэтому,
A=\frac{1}{2}\times12\times5\times\sin60^{\circ}, A\около 25,98 см^2
Frequently asked questions (FAQs)
What are the conditions for the signs of equality of triangles? Explain using the concepts of congruence and similarity.
+
Math question: Given the expression 3x(x + 2) - 2(x - 2), simplify it to its simplest form.
+
What is the integral of ∫(x^2 + 2x + 3) dx using the power rule?