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 is the resultant vector when a vector of magnitude 5 units is added to a vector of magnitude 3 units at an angle of 45 degrees?
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What is the radian measure of 450 degrees?
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What is the constant value 'c' of the function f(x) = c if the graph is a horizontal line passing through the point (1, 5)?