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)
Question: Convert 0.0000027 into scientific notation.
+
What is the derivative of f(x) = 5sin(3x) - 2cos(2x)?
+
Math question: What is the sum of the first ten even numbers multiplied by the difference between the first five prime numbers and the first five composite numbers?