What is the area of an obtuse angled triangle given with two sides are 8 and 12 and the angle included between two sides is 150 degree? - Quora
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Determine the Area of an Obtuse Triangle on a Grid | Math Help from Arithmetic through Calculus and beyond
![trigonometry - How does the compound angle formula for sine apply to obtuse, reflex and negative angles? - Mathematics Stack Exchange trigonometry - How does the compound angle formula for sine apply to obtuse, reflex and negative angles? - Mathematics Stack Exchange](https://i.stack.imgur.com/o5Ics.jpg)
trigonometry - How does the compound angle formula for sine apply to obtuse, reflex and negative angles? - Mathematics Stack Exchange
![10-2 Area of a Triangle 1.) What is the formula for the area of a rectangle? 2.) If a rectangle is divided into two equal triangles, what is the formula. - ppt download 10-2 Area of a Triangle 1.) What is the formula for the area of a rectangle? 2.) If a rectangle is divided into two equal triangles, what is the formula. - ppt download](https://images.slideplayer.com/19/5882185/slides/slide_3.jpg)