Question
The two sides of the triangle are 12 cm and 5 cm, and the angle between the sides is 60°. Cover the area of the triangle!
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Answer to a math question The two sides of the triangle are 12 cm and 5 cm, and the angle between the sides is 60°. Cover the area of the triangle!
Santino
4.5111 Answers
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
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