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)
Math question: In a circle, if angle AOB is 90 degrees, find the measure of angle ACB.
+
What are the product and sum of two numbers if the first number is x and the second number is x+3?
+
What is the slope-intercept form equation of a line passing through the point (2, 5) and having a slope of -3?