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.
At 2.67 m above the timber reaches the wall.
How many faces does a triangular prism have?
5
What net would you use to make this shape?
A
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?
The building is 40 ft.
What is the name of this 3D shape?
Tetrahedron
How many triangles make up an icosahedron?
20
The height of this office tower is...
420,48m
How many vertices does an octahedron have?
6
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.
The distance of the foot of the ladder from the bottom of the wall is 5 meters.
The height of the tree is...
7.68m
How many edges does a cube have?
12
How many edges does a sphere have?
0
What shape would this net make?
Pyramid
A boy who is 1.6 m tall casts a 2.4 m shadow when he stands 8.1 m from the base of an electric light pole. How high above the ground is the light globe?
The height of the light globe is 7 m.
Would you get a rectangular prism from this net?
No, I wouldn't. It is a cube.
What is the name of this 3D shape?
Dodecahedron