It depends on whether or not the tetrahedron is regular. There is nothing in the question to indicate that it might be regular. In that case the easiest way to calculate the surface area is to sum the areas of each of its 4 faces.
Surface area = 4*Pi*radius2
If its a triangular based pyramid (tetrahedron) then it will have 4 equilateral triangle faces and so find the area of one face and multiply it by 4 to give the total surface area.
Assuming the moon to be a sphere, the formula to find its surface area is 4/3*pi*r^3 where r is the radius of the moon.
How do you find the suface area of a net? Answer: Do the formula for each shape that is in the net.
Area = ( length of a side)2
The formula to find the surface area of a parallelogram is Base*Height.
Surface area = 4*Pi*radius2
If its a triangular based pyramid (tetrahedron) then it will have 4 equilateral triangle faces and so find the area of one face and multiply it by 4 to give the total surface area.
Assuming the moon to be a sphere, the formula to find its surface area is 4/3*pi*r^3 where r is the radius of the moon.
The formula will depend on what it is that you are trying to find: the volume or the surface area.
How do you find the suface area of a net? Answer: Do the formula for each shape that is in the net.
The formula to find the area of an octagonal pyramid is area of base plus area of sides.
Area = ( length of a side)2
the surface area formula is difficult to understand. there is another way to do it.you find the area of one pentagon. then u multiply it by the number of faces which is 12.
You find the surface area of a cube by using the formula 6e2. In this case, e=edge.
Use the formula for volume to solve for the radius of the sphere and then plug that radius into the formula for the surface area of a sphere.
Use this formula (Ï€ = Pi): Surface area = 4Ï€r2