The icosahedron has 20 faces and 30 edges. Using Euler's formula, how many vertices does it have?
12 vertices
10
Name the figure.
Triangular Pyramid
5
Name the figure.
Cylinder
5
Describe the cross section of the figure.
Circle
10
Calculate the SURFACE AREA.
144
15
Calculate the SURFACE AREA of a cone with a diameter of 10 inches and a slant height of 13 inches. Round your answer to the nearest tenth.
282.7
15
Calculate the LATERAL AREA of a square pyramid measuring 9 yards along the base with a slant height of 12.8 yards. Round your answer to the nearest tenth.
230.4
15
Calculate the SURFACE AREA. Round your answer to the nearest tenth.
1445.1
15
Calculate the SURFACE AREA of the composite figure.
300
25
Calculate the LATERAL AREA. Round your answer to the nearest tenth.
1188.5
15
Calculate the LATERAL AREA and SURFACE AREA.
Lateral Area: 480, Surface Area: 978
20
Calculate the SURFACE AREA of the triangular prism.
216
20
How many vertices does the polyhedron have?
6
5
The dodecahedron has 12 faces and 20 vertices. Using Euler's Formula, how many edges does it have?