Metallic colored plastic is being injected into molds to manufacture small beads for a crafts supplier. One of these beads is co

Question

4 years ago

5

Metallic colored plastic is being injected into molds to manufacture small beads for a crafts supplier. One of these beads is co

mprised of attached congruent square pyramids, as shown below.
7 mm
6 mm
How much plastic is needed to make each of these beads?
A. 112mm3
b 504mm3
c. 168mm3
d84mm3

Mathematics

1 answer:

saveliy_v [14] · Answer 1 · 2022-03-01T05:22:06+03:00

saveliy_v [14]4 years ago

3 0

Answer:

Volume of Beads = 84 mm³

Step-by-step explanation:

Given:

Side of base = 6 mm

Height = 7 mm

Find:

Volume of Beads

Computation:

Volume of Beads = Volume of a square pyramid

Volume of Beads = [1/3][Area of base][h]

Volume of Beads = [1/3][6 x 6][7]

Volume of Beads = 84 mm³