The area of a triangle with sides 37.5 cm, 37.5 cm and 45 cm and semi-perimeter 60 cm is
675 cm2
525 cm2
625 cm2
575 cm2
The area of a triangle with sides 10 cm, 7 cm and 7 cm and semi-perimeter 12 cm is
A rectangular sheet of paper is 10.5 cm long and 5.25 cm wide. Its perimeter is:
The area of a triangle, with sides a, b, c and semi-perimeter s, is:
The semi perimeter of a triangle with sides 32 cm, 30 cm and 30 cm is 46 cm. Its area is