Académico IELTS (Banda 5 y Abajo) - formas

having an empty space within

hueco

(of a surface) continuing in a straight line with no raised or low parts

plano

having a circular shape, often spherical in appearance

redondo

having four even sides and four right angles, forming a shape resembling a regular square

cuadrado

shaped like a rectangle, with four right angles

rectangular

having a shape like a circle

circular

rounded in shape but wider in one direction, such as the shape of an egg

oval

shaped like a triangle, with three sides and three angles

triangular

shaped like a star, with several angles

en forma de estrella

shaped like the common representation of a heart, with two equal curved parts

en forma de corazón

without bending or curving in any angle or direction

recto