So it can keep it's direction
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The most streamline shape is the teardrop-shape or the better known as the aerofoil.That is the reason why the airplane body and wings is shaped like a teardrop.This shape reduces air pressure on the object thereby increasing air flow in return increasing the speed of the body.
To have less air resistance (in the case of rockets, while they are still in the atmosphere).
It is a three sided straight lined shape with 3 interior angles that add up to 180 degrees.
It is a three sided straight lined shape with 3 interior angles that add up to 180 degrees.
Yes, it is. Quadrilaterals are four (quad) -lined (lateral) shapes. Quadrilaterals include squares, rectangles, rhombuses, diamonds, trapeziums and trapezoids. All shapes with four sides are quadrilaterals and they all have four angles inside the shape.