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: What is the sum of 35 and 47 divided by 3, multiplied by 8, in addition to the difference between 60 and 28 multiplied by 4?
+
What is the relationship between the angle in a semicircle and the size of its corresponding chord?
+
Find the minimum value of the function f(x) = 2sin(3x) + cos(4x) in radians for x in the domain [0, 2π].