The height of this office tower is...

How many edges does a sphere have?

An firefighter's extension ladder is leaning against a building, so its top just touches the gutters at the roof edge. You know the ladder is 41 feet long and it is 9 feet from the wall of the building. How high is the building?

How many vertices does an octahedron have?

What net would you use to make this shape?

A piece of timber leaning against a wall, just touches the top of a fence, as shown. Find how far up the wall the timber reaches.

What is the name of this 3D shape?

What is the name of this 3D shape?

What shape would this net make?

A ladder 13 m long is placed on the ground in such a way that it touches the top of a vertical wall 12 m high. Find the distance of the foot of the ladder from the bottom of the wall.

Would you get a rectangular prism from this net?

How many triangles make up an icosahedron?