What is the semiperimeter of a triangle with sides as 6 cm, 6 cm, and 8 cm?
The slant height of cone whose height and radius are 6 cm and 8 cm respectively is
If two sides of a triangle are 8 cm and 6 cm and its perimeter is 26 cm. Find the third side of the triangle.
Draw the circumcircle of a triangle with sides 6 cm, 8 cm and 10 cm. What is the radius of this circle?