original: this means that it has four equal sides and four equal angles -lrb- 90 degree angles , or right angles -rrb- .
simplifications: this means that it has four equal sides and four equal angles . this means that it has four equal sides and four equal angles -lrb- 90 degree angles , or right angles -rrb- . this means that it has four equal 90 degree angles and four right angles . it has four equal sides . this means that it has four equal angles 90 degree angles , or right angles . this mean it has four equal sides and four ninety degree , right angles . this means that it has four equal sides and four equal angles -lrb- 90 degree angles , or right angles -rrb- . this means that the geometric figure has four equal sides and four 90-degree -lrb- or right -rrb- angles . this means that it has four equal sides and four equal angles .