Question

fast answer this question
.manya is building prism using straws and balls of clay . how many straws does she needs to build a pentagonal prism?

Answer 1

answer : option (B) 15

see diagram, a pentagonal prism is shown.

first find out number of sides in pentagonal prism

from figure, number of sides = 2 × no of sides of a pentagon + number of edges (except pentagonal edge)

= 2 × 5 + 5

= 15

so, 15 straws need to build pentagonal prism.

so, the correct option is option (B) 15

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Answer 2

Answer:

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