0. A right triangle, by definition, will never include any obtuse angles.
ALL quadrilaterals have four sides and four angles. That's what 'quadrilateral' means. The quadrilaterals include the parallelogram, the trapezium, the kite, and the irregular quadrilateral. The parallelograms include the rhombus and the rectangle. The rhombus and the rectangle both include the square.
No, that's not true.
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Base Angles
Stu Bennett goes by Stu.
There are several types of angles that are used in geometry. These angles include obtuse, acute, straight, and right angles.
Eight if you include reflex angles otherwise 4
Stu Nudelman goes by Stu The Wine Guru.
Stu = ستو
STU stands for Shock Treatment Unit
Boogie with Stu was created in 1971.
Stu Mead was born in 1955.
Stu Levy was born in 1967.
Stu McNeill was born in 1938.
Stu G was created in 1995.