issiah10 issiah10

19-10-2019
Mathematics

contestada

Plz help me on this question

Plz help me on this question class=

Respuesta :

jimrgrant1 jimrgrant1

19-10-2019

Answer:

78

Step-by-step explanation:

Given the formula for the surface area of the prism, that is

SA = 2s² + 4sh

Substitute s = 3 and h = 5 into the formula and evaluate

SA = 2(3)² + 4(3)(5)

= 2 × 9 + 4 × 15

= 18 + 60

= 78

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