the horizontal cross-sections of the prisms at the same height must have the same area. (APEX)
No.The definition of an oblique triangle is "any triangle that is not a right triangle".
there is equilateral triangle, right triangle, isosceles triangle, obtuse triangle, acute triangle, scalene triangle and oblique triangle
When a triangle has no angles =to 90 degrees, it is called an oblique triangle.When one of the angles of an oblique triangle is greater than 90 degrees, it can also be called an obtuse triangle.Technically, the triangle described would also be a type of scalene triangle, although we should only call it this when it is defined by the length of its sides, rather than by its internal angles.
By using the cosine rule in trigonometry the angles of the triangle can be worked out.
Oblique lines:
Yes, there can be oblique lines in a triangle. However, there can only be oblique lines in a triangle if the triangle is considered to be a 'right' triangle.
No.The definition of an oblique triangle is "any triangle that is not a right triangle".
One's a triangle.
An oblique triangle has no right angle.
An oblique triangle is any triangle that is not a right triangle. An oblique triangle could be either obtuse (having one side greater than 90 degrees) or acute. An acute triangle is one with all three angles less than 90 degrees. It cannot be obtuse, or right.
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The solutions do depend on what the questions are!
Yes. A rectangle is a parallelogram that has right angles instead of acute and oblique angles at the corners. But not all parallelograms are rectangles.
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there is equilateral triangle, right triangle, isosceles triangle, obtuse triangle, acute triangle, scalene triangle and oblique triangle
A rectangle is an oblong, as its sides are not equal. A square has equal sides. Therefore, a square is not a rectangle. A rhombus is a parallelogram with oblique angles and equal sides.
None, as far as I can see. Which, given that I cannot see any triangle, is not saying much!