Perimeter of a triangle

4.8 (13)

Perimeter of a square

4.9 (9)

Perimeter of a parallelogram

4.8 (9)

Circumference

4.8 (6)

Area of a triangle

4.6 (10)

Area of a square

4.9 (9)

Area of a parallelogram

4.6 (5)

Area of a circle

4.8 (5)